diff --git a/src/main/java/dgu/choco_express/controller/ChocoController.java b/src/main/java/dgu/choco_express/controller/ChocoController.java
new file mode 100644
index 0000000..fe534ee
--- /dev/null
+++ b/src/main/java/dgu/choco_express/controller/ChocoController.java
@@ -0,0 +1,59 @@
+package dgu.choco_express.controller;
+
+import dgu.choco_express.annotation.UserId;
+import dgu.choco_express.dto.choco.request.ChocoCreateRequestDto;
+import dgu.choco_express.service.choco.ChocoService;
+import lombok.RequiredArgsConstructor;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+
+@RestController
+@RequiredArgsConstructor
+@RequestMapping("/api")
+public class ChocoController {
+    private final ChocoService chocoService;
+
+    @PostMapping("/box/{boxId}/choco")
+    public ResponseEntity<?> createChoco(
+            @UserId Long userId,
+            @PathVariable Long boxId,
+            @RequestBody ChocoCreateRequestDto chocoCreateRequestDto
+            ) {
+        return ResponseEntity.created(
+                chocoService.createChoco(userId, boxId, chocoCreateRequestDto)
+        ).build();
+    }
+
+    @GetMapping("/choco")
+    public ResponseEntity<?> getChocoList(
+            @UserId Long userId,
+            @RequestParam(defaultValue = "1") int page
+    ) {
+        return ResponseEntity.ok(chocoService.getChocoList(userId, page));
+    }
+
+    @GetMapping("/choco/{chocoId}")
+    public ResponseEntity<?> getChocoDetails(
+            @UserId Long userId,
+            @PathVariable Long chocoId
+    ) {
+        return ResponseEntity.ok(
+                chocoService.getChocoDetails(userId, chocoId)
+        );
+    }
+
+    @GetMapping("/choco/count")
+    public ResponseEntity<?> getChocoPeek(
+            @UserId Long userId
+    ) {
+        return ResponseEntity.ok(chocoService.getChocoPeek(userId));
+    }
+
+    @DeleteMapping("/choco/{chocoId}")
+    public ResponseEntity<?> deleteChoco(
+            @UserId Long userId,
+            @PathVariable Long chocoId
+    ) {
+        return ResponseEntity.ok(chocoService.deleteChoco(userId, chocoId));
+    }
+}
diff --git a/src/main/java/dgu/choco_express/domain/Box/Box.java b/src/main/java/dgu/choco_express/domain/box/Box.java
similarity index 97%
rename from src/main/java/dgu/choco_express/domain/Box/Box.java
rename to src/main/java/dgu/choco_express/domain/box/Box.java
index a34407c..3c3febf 100644
--- a/src/main/java/dgu/choco_express/domain/Box/Box.java
+++ b/src/main/java/dgu/choco_express/domain/box/Box.java
@@ -1,4 +1,4 @@
-package dgu.choco_express.domain.Box;
+package dgu.choco_express.domain.box;
 
 import dgu.choco_express.domain.global.BaseTimeEntity;
 import dgu.choco_express.domain.user.User;
diff --git a/src/main/java/dgu/choco_express/domain/choco/Choco.java b/src/main/java/dgu/choco_express/domain/choco/Choco.java
new file mode 100644
index 0000000..b360293
--- /dev/null
+++ b/src/main/java/dgu/choco_express/domain/choco/Choco.java
@@ -0,0 +1,62 @@
+package dgu.choco_express.domain.choco;
+
+import dgu.choco_express.domain.box.Box;
+import dgu.choco_express.domain.global.BaseTimeEntity;
+import jakarta.persistence.*;
+import lombok.AccessLevel;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import org.hibernate.annotations.DynamicUpdate;
+
+@Entity
+@Getter
+@DynamicUpdate
+@Table(name = "choco")
+@NoArgsConstructor(access = AccessLevel.PROTECTED)
+public class Choco extends BaseTimeEntity {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    @Column(name = "id")
+    private Long id;
+
+    @Column(name = "type")
+    private Short type;
+
+    @Column(name = "nickname")
+    private String nickname;
+
+    @Column(name = "contents")
+    private String contents;
+
+    @ManyToOne
+    @JoinColumn(name = "box_id")
+    private Box box;
+
+    @Builder
+    public Choco(
+            final Short type,
+            final String nickname,
+            final String contents,
+            final Box box
+    ) {
+        this.type = type;
+        this.nickname = nickname;
+        this.contents = contents;
+        this.box = box;
+    }
+
+    public static Choco from(
+            final Short type,
+            final String nickname,
+            final String contents,
+            final Box box
+    ) {
+        return Choco.builder()
+                .type(type)
+                .nickname(nickname)
+                .contents(contents)
+                .box(box)
+                .build();
+    }
+}
diff --git a/src/main/java/dgu/choco_express/dto/box/response/BoxCurrentUserRetrieverResponseDto.java b/src/main/java/dgu/choco_express/dto/box/response/BoxCurrentUserRetrieverResponseDto.java
index 8311e7d..6915358 100644
--- a/src/main/java/dgu/choco_express/dto/box/response/BoxCurrentUserRetrieverResponseDto.java
+++ b/src/main/java/dgu/choco_express/dto/box/response/BoxCurrentUserRetrieverResponseDto.java
@@ -1,7 +1,7 @@
 package dgu.choco_express.dto.box.response;
 
 import com.fasterxml.jackson.annotation.JsonProperty;
-import dgu.choco_express.domain.Box.Box;
+import dgu.choco_express.domain.box.Box;
 import lombok.Builder;
 
 @Builder
diff --git a/src/main/java/dgu/choco_express/dto/box/response/BoxOtherUserRetrieverResponseDto.java b/src/main/java/dgu/choco_express/dto/box/response/BoxOtherUserRetrieverResponseDto.java
index 8488173..5450777 100644
--- a/src/main/java/dgu/choco_express/dto/box/response/BoxOtherUserRetrieverResponseDto.java
+++ b/src/main/java/dgu/choco_express/dto/box/response/BoxOtherUserRetrieverResponseDto.java
@@ -1,7 +1,7 @@
 package dgu.choco_express.dto.box.response;
 
 import com.fasterxml.jackson.annotation.JsonProperty;
-import dgu.choco_express.domain.Box.Box;
+import dgu.choco_express.domain.box.Box;
 import lombok.Builder;
 
 @Builder
diff --git a/src/main/java/dgu/choco_express/dto/choco/request/ChocoCreateRequestDto.java b/src/main/java/dgu/choco_express/dto/choco/request/ChocoCreateRequestDto.java
new file mode 100644
index 0000000..591a9d6
--- /dev/null
+++ b/src/main/java/dgu/choco_express/dto/choco/request/ChocoCreateRequestDto.java
@@ -0,0 +1,15 @@
+package dgu.choco_express.dto.choco.request;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+
+public record ChocoCreateRequestDto(
+        @JsonProperty("nickname")
+        String nickname,
+
+        @JsonProperty("contents")
+        String contents,
+
+        @JsonProperty("chocoType")
+        Short chocoType
+) {
+}
diff --git a/src/main/java/dgu/choco_express/dto/choco/response/ChocoDetailsResponseDto.java b/src/main/java/dgu/choco_express/dto/choco/response/ChocoDetailsResponseDto.java
new file mode 100644
index 0000000..9e84028
--- /dev/null
+++ b/src/main/java/dgu/choco_express/dto/choco/response/ChocoDetailsResponseDto.java
@@ -0,0 +1,25 @@
+package dgu.choco_express.dto.choco.response;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import dgu.choco_express.domain.choco.Choco;
+import lombok.Builder;
+
+@Builder
+public record ChocoDetailsResponseDto(
+        @JsonProperty("id")
+        Long id,
+
+        @JsonProperty("nickname")
+        String nickname,
+
+        @JsonProperty("contents")
+        String contents
+) {
+    public static ChocoDetailsResponseDto of(Choco choco) {
+        return ChocoDetailsResponseDto.builder()
+                .id(choco.getId())
+                .nickname(choco.getNickname())
+                .contents(choco.getContents())
+                .build();
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/dgu/choco_express/dto/choco/response/ChocoListResponseDto.java b/src/main/java/dgu/choco_express/dto/choco/response/ChocoListResponseDto.java
new file mode 100644
index 0000000..b4fc933
--- /dev/null
+++ b/src/main/java/dgu/choco_express/dto/choco/response/ChocoListResponseDto.java
@@ -0,0 +1,25 @@
+package dgu.choco_express.dto.choco.response;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.Builder;
+
+import java.util.List;
+
+@Builder
+public record ChocoListResponseDto(
+        @JsonProperty("chocoList")
+        List<ChocoObjectResponseDto> chocoObjectResponseDtoList,
+
+        @JsonProperty("totalPage")
+        Integer totalPage
+) {
+        public static ChocoListResponseDto of(
+                final List<ChocoObjectResponseDto> chocoObjectResponseDtoList,
+                final Integer totalPage
+        ) {
+                return ChocoListResponseDto.builder()
+                        .chocoObjectResponseDtoList(chocoObjectResponseDtoList)
+                        .totalPage(totalPage)
+                        .build();
+        }
+}
diff --git a/src/main/java/dgu/choco_express/dto/choco/response/ChocoObjectResponseDto.java b/src/main/java/dgu/choco_express/dto/choco/response/ChocoObjectResponseDto.java
new file mode 100644
index 0000000..8f1bc93
--- /dev/null
+++ b/src/main/java/dgu/choco_express/dto/choco/response/ChocoObjectResponseDto.java
@@ -0,0 +1,21 @@
+package dgu.choco_express.dto.choco.response;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import dgu.choco_express.domain.choco.Choco;
+import lombok.Builder;
+
+@Builder
+public record ChocoObjectResponseDto(
+        @JsonProperty("id")
+        Long id,
+
+        @JsonProperty("chocoType")
+        Short chocoType
+) {
+        public static ChocoObjectResponseDto of(final Choco choco) {
+                return ChocoObjectResponseDto.builder()
+                        .id(choco.getId())
+                        .chocoType(choco.getType())
+                        .build();
+        }
+}
diff --git a/src/main/java/dgu/choco_express/dto/choco/response/ChocoPeekResponseDto.java b/src/main/java/dgu/choco_express/dto/choco/response/ChocoPeekResponseDto.java
new file mode 100644
index 0000000..555a2dc
--- /dev/null
+++ b/src/main/java/dgu/choco_express/dto/choco/response/ChocoPeekResponseDto.java
@@ -0,0 +1,13 @@
+package dgu.choco_express.dto.choco.response;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import dgu.choco_express.domain.box.Box;
+import lombok.Builder;
+
+@Builder
+public record ChocoPeekResponseDto(
+        @JsonProperty("count")
+        Integer count
+) {
+}
+
diff --git a/src/main/java/dgu/choco_express/exception/ChocoErrorCode.java b/src/main/java/dgu/choco_express/exception/ChocoErrorCode.java
new file mode 100644
index 0000000..3f1326b
--- /dev/null
+++ b/src/main/java/dgu/choco_express/exception/ChocoErrorCode.java
@@ -0,0 +1,20 @@
+package dgu.choco_express.exception;
+
+import lombok.Getter;
+import lombok.RequiredArgsConstructor;
+import org.springframework.http.HttpStatus;
+
+@Getter
+@RequiredArgsConstructor
+public enum ChocoErrorCode implements ErrorCode {
+    INVALID_CHOCO_TYPE(HttpStatus.BAD_REQUEST, "CHOCO_001", "초코 타입이 유효하지 않습니다."),
+    NOT_FOUND_CHOCO(HttpStatus.NOT_FOUND, "CHOCO_002", "해당 초코가 존재하지 않습니다."),
+    INVALID_CHOCO_NAME(HttpStatus.BAD_REQUEST, "CHOCO_003", "초코 작성자 이름이 비어있습니다."),
+    CANT_CHOCO_RECURSIVE(HttpStatus.BAD_REQUEST, "CHOCO_004", "자기 자신에게 초코를 보낼 수 없습니다."),
+    INVALID_PAGE_CHOCO(HttpStatus.BAD_REQUEST, "CHOCO_005", "유효하지 않은 페이지 넘버입니다."),
+    ;
+
+    private final HttpStatus status;
+    private final String errorCode;
+    private final String message;
+}
diff --git a/src/main/java/dgu/choco_express/repository/BoxRepository.java b/src/main/java/dgu/choco_express/repository/BoxRepository.java
index 4620b64..2fc884b 100644
--- a/src/main/java/dgu/choco_express/repository/BoxRepository.java
+++ b/src/main/java/dgu/choco_express/repository/BoxRepository.java
@@ -1,6 +1,6 @@
 package dgu.choco_express.repository;
 
-import dgu.choco_express.domain.Box.Box;
+import dgu.choco_express.domain.box.Box;
 import dgu.choco_express.domain.user.User;
 import org.springframework.data.jpa.repository.JpaRepository;
 
diff --git a/src/main/java/dgu/choco_express/repository/ChocoRepository.java b/src/main/java/dgu/choco_express/repository/ChocoRepository.java
new file mode 100644
index 0000000..7f9ca8a
--- /dev/null
+++ b/src/main/java/dgu/choco_express/repository/ChocoRepository.java
@@ -0,0 +1,25 @@
+package dgu.choco_express.repository;
+
+import dgu.choco_express.domain.box.Box;
+import dgu.choco_express.domain.choco.Choco;
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.Pageable;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Query;
+import org.springframework.data.repository.query.Param;
+
+public interface ChocoRepository extends JpaRepository<Choco, Long> {
+    @Query("SELECT count(*) FROM Choco WHERE box = :boxId")
+    Integer findChocoCountByBox(@Param("boxId") Box box);
+
+    @Query(
+            value = "SELECT * " +
+                    "FROM choco c " +
+                    "WHERE c.box_id = :boxId",
+            countQuery = "SELECT COUNT(*) " +
+                         "FROM choco c " +
+                         "WHERE c.box_id = :boxId",
+            nativeQuery = true
+    )
+    Page<Choco> findAllByBoxId(Long boxId, Pageable pageable);
+}
diff --git a/src/main/java/dgu/choco_express/service/box/BoxRetriever.java b/src/main/java/dgu/choco_express/service/box/BoxRetriever.java
index 49cc984..e690e23 100644
--- a/src/main/java/dgu/choco_express/service/box/BoxRetriever.java
+++ b/src/main/java/dgu/choco_express/service/box/BoxRetriever.java
@@ -1,6 +1,6 @@
 package dgu.choco_express.service.box;
 
-import dgu.choco_express.domain.Box.Box;
+import dgu.choco_express.domain.box.Box;
 import dgu.choco_express.domain.user.User;
 import dgu.choco_express.exception.BoxErrorCode;
 import dgu.choco_express.exception.CommonException;
diff --git a/src/main/java/dgu/choco_express/service/box/BoxSaver.java b/src/main/java/dgu/choco_express/service/box/BoxSaver.java
index 979f0f9..f8e400c 100644
--- a/src/main/java/dgu/choco_express/service/box/BoxSaver.java
+++ b/src/main/java/dgu/choco_express/service/box/BoxSaver.java
@@ -1,6 +1,6 @@
 package dgu.choco_express.service.box;
 
-import dgu.choco_express.domain.Box.Box;
+import dgu.choco_express.domain.box.Box;
 import dgu.choco_express.repository.BoxRepository;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
diff --git a/src/main/java/dgu/choco_express/service/box/BoxService.java b/src/main/java/dgu/choco_express/service/box/BoxService.java
index 7fae52f..3f6e6e8 100644
--- a/src/main/java/dgu/choco_express/service/box/BoxService.java
+++ b/src/main/java/dgu/choco_express/service/box/BoxService.java
@@ -1,6 +1,6 @@
 package dgu.choco_express.service.box;
 
-import dgu.choco_express.domain.Box.Box;
+import dgu.choco_express.domain.box.Box;
 import dgu.choco_express.domain.user.User;
 import dgu.choco_express.dto.box.request.BoxCreateRequestDto;
 import dgu.choco_express.dto.box.request.BoxPatchRequestDto;
diff --git a/src/main/java/dgu/choco_express/service/box/BoxUpdater.java b/src/main/java/dgu/choco_express/service/box/BoxUpdater.java
index c04bd94..61d2fcb 100644
--- a/src/main/java/dgu/choco_express/service/box/BoxUpdater.java
+++ b/src/main/java/dgu/choco_express/service/box/BoxUpdater.java
@@ -1,6 +1,6 @@
 package dgu.choco_express.service.box;
 
-import dgu.choco_express.domain.Box.Box;
+import dgu.choco_express.domain.box.Box;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Component;
 import org.springframework.transaction.annotation.Transactional;
diff --git a/src/main/java/dgu/choco_express/service/choco/ChocoRemover.java b/src/main/java/dgu/choco_express/service/choco/ChocoRemover.java
new file mode 100644
index 0000000..0285ae3
--- /dev/null
+++ b/src/main/java/dgu/choco_express/service/choco/ChocoRemover.java
@@ -0,0 +1,20 @@
+package dgu.choco_express.service.choco;
+
+import dgu.choco_express.domain.choco.Choco;
+import dgu.choco_express.repository.ChocoRepository;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Component;
+import org.springframework.transaction.annotation.Transactional;
+
+@Component
+@RequiredArgsConstructor
+public class ChocoRemover {
+    private final ChocoRepository chocoRepository;
+
+    @Transactional
+    public void deleteChoco(
+            Choco choco
+    ) {
+        chocoRepository.delete(choco);
+    }
+}
diff --git a/src/main/java/dgu/choco_express/service/choco/ChocoRetriever.java b/src/main/java/dgu/choco_express/service/choco/ChocoRetriever.java
new file mode 100644
index 0000000..c479874
--- /dev/null
+++ b/src/main/java/dgu/choco_express/service/choco/ChocoRetriever.java
@@ -0,0 +1,30 @@
+package dgu.choco_express.service.choco;
+
+import dgu.choco_express.domain.box.Box;
+import dgu.choco_express.domain.choco.Choco;
+import dgu.choco_express.exception.ChocoErrorCode;
+import dgu.choco_express.exception.CommonException;
+import dgu.choco_express.repository.ChocoRepository;
+import lombok.RequiredArgsConstructor;
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.Pageable;
+import org.springframework.stereotype.Component;
+
+@Component
+@RequiredArgsConstructor
+public class ChocoRetriever {
+    private final ChocoRepository chocoRepository;
+
+    public Choco findById(Long id) {
+        return chocoRepository.findById(id)
+                .orElseThrow(() -> CommonException.type(ChocoErrorCode.NOT_FOUND_CHOCO));
+    }
+
+    public Page<Choco> findAllByBoxId(Long boxId, Pageable pageable) {
+        return chocoRepository.findAllByBoxId(boxId, pageable);
+    }
+
+    public Integer findChocoCountByBox(Box box) {
+        return chocoRepository.findChocoCountByBox(box);
+    }
+}
diff --git a/src/main/java/dgu/choco_express/service/choco/ChocoSaver.java b/src/main/java/dgu/choco_express/service/choco/ChocoSaver.java
new file mode 100644
index 0000000..06b8172
--- /dev/null
+++ b/src/main/java/dgu/choco_express/service/choco/ChocoSaver.java
@@ -0,0 +1,18 @@
+package dgu.choco_express.service.choco;
+
+import dgu.choco_express.domain.choco.Choco;
+import dgu.choco_express.repository.ChocoRepository;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Component;
+import org.springframework.transaction.annotation.Transactional;
+
+@Component
+@RequiredArgsConstructor
+public class ChocoSaver {
+    private final ChocoRepository chocoRepository;
+
+    @Transactional
+    public Choco saveChoco(Choco choco) {
+        return chocoRepository.save(choco);
+    }
+}
diff --git a/src/main/java/dgu/choco_express/service/choco/ChocoService.java b/src/main/java/dgu/choco_express/service/choco/ChocoService.java
new file mode 100644
index 0000000..e4b8442
--- /dev/null
+++ b/src/main/java/dgu/choco_express/service/choco/ChocoService.java
@@ -0,0 +1,119 @@
+package dgu.choco_express.service.choco;
+
+import dgu.choco_express.domain.box.Box;
+import dgu.choco_express.domain.choco.Choco;
+import dgu.choco_express.domain.user.User;
+import dgu.choco_express.dto.choco.request.ChocoCreateRequestDto;
+import dgu.choco_express.dto.choco.response.ChocoDetailsResponseDto;
+import dgu.choco_express.dto.choco.response.ChocoListResponseDto;
+import dgu.choco_express.dto.choco.response.ChocoObjectResponseDto;
+import dgu.choco_express.dto.choco.response.ChocoPeekResponseDto;
+import dgu.choco_express.exception.ChocoErrorCode;
+import dgu.choco_express.exception.CommonException;
+import dgu.choco_express.service.box.BoxRetriever;
+import dgu.choco_express.service.user.UserRetriever;
+import lombok.RequiredArgsConstructor;
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.PageRequest;
+import org.springframework.data.domain.Pageable;
+import org.springframework.stereotype.Service;
+
+import java.net.URI;
+import java.util.List;
+
+@Service
+@RequiredArgsConstructor
+public class ChocoService {
+    private final UserRetriever userRetriever;
+    private final ChocoSaver chocoSaver;
+    private final BoxRetriever boxRetriever;
+    private final ChocoRetriever chocoRetriever;
+    private final ChocoRemover chocoRemover;
+
+    public URI createChoco(
+            Long userId,
+            Long boxId,
+            ChocoCreateRequestDto chocoCreateRequestDto
+    ) {
+        User currentUser = userRetriever.findById(userId);
+
+        Short chocoType = chocoCreateRequestDto.chocoType();
+        String chocoNickname = chocoCreateRequestDto.nickname();
+        String chocoContents = chocoCreateRequestDto.contents();
+        Box currentBox = boxRetriever.findById(boxId);
+
+
+        if (chocoType < 1 || chocoType > 6)
+            throw CommonException.type(ChocoErrorCode.INVALID_CHOCO_TYPE);
+        if (chocoNickname.isEmpty())
+            throw CommonException.type(ChocoErrorCode.INVALID_CHOCO_NAME);
+
+        Choco createdChoco = chocoSaver.saveChoco(
+            Choco.from(chocoType, chocoNickname, chocoContents, currentBox)
+        );
+
+        return URI.create("/api/choco/" + createdChoco.getId().toString());
+    }
+
+    public ChocoListResponseDto getChocoList(
+            Long userId,
+            int page
+    ) {
+        User currentUser = userRetriever.findById(userId);
+        Box box = boxRetriever.findByUser(currentUser);
+
+        if (page < 1)
+            throw CommonException.type(ChocoErrorCode.INVALID_PAGE_CHOCO);
+
+        int size = (box.getType() == 4) ? 6 : 9;
+        Pageable pageable = PageRequest.of(page - 1, size);
+        Page<Choco> chocoPage
+                = chocoRetriever.findAllByBoxId(box.getId(), pageable);
+
+        if (page != 1 && page > chocoPage.getTotalPages())
+            throw CommonException.type(ChocoErrorCode.INVALID_PAGE_CHOCO);
+
+        List<ChocoObjectResponseDto> chocoObjectResponseDtoList
+                = chocoPage.getContent().stream()
+                                        .map(ChocoObjectResponseDto::of)
+                                        .toList();
+
+        return ChocoListResponseDto.of(
+                chocoObjectResponseDtoList,
+                chocoPage.getTotalPages()
+        );
+    }
+
+    public ChocoDetailsResponseDto getChocoDetails(
+            Long userId,
+            Long chocoId
+    ) {
+        User currentUser = userRetriever.findById(userId);
+        Choco choco = chocoRetriever.findById(chocoId);
+
+        return ChocoDetailsResponseDto.of(choco);
+    }
+
+    public ChocoPeekResponseDto getChocoPeek(
+            Long userId
+    ) {
+        User currentUser = userRetriever.findById(userId);
+        Box currentBox = boxRetriever.findByUser(currentUser);
+
+        return ChocoPeekResponseDto.builder()
+                .count(chocoRetriever.findChocoCountByBox(currentBox))
+                .build();
+    }
+
+    public Void deleteChoco(
+            Long userId,
+            Long chocoId
+    ) {
+        User currentUser = userRetriever.findById(userId);
+        Choco choco = chocoRetriever.findById(chocoId);
+
+        chocoRemover.deleteChoco(choco);
+
+        return null;
+    }
+}