diff --git a/src/main/java/com/likelion/monday/domain/mygarden/controller/MyGardenController.java b/src/main/java/com/likelion/monday/domain/mygarden/controller/MyGardenController.java
index dc6ca5e..0dd621d 100644
--- a/src/main/java/com/likelion/monday/domain/mygarden/controller/MyGardenController.java
+++ b/src/main/java/com/likelion/monday/domain/mygarden/controller/MyGardenController.java
@@ -1,7 +1,11 @@
 package com.likelion.monday.domain.mygarden.controller;
 
 import com.likelion.monday.domain.account.auth.LoginAccountId;
+import com.likelion.monday.domain.mygarden.dto.LikedStoryResDto;
+import com.likelion.monday.domain.mygarden.dto.MyActivitySummaryResDto;
 import com.likelion.monday.domain.mygarden.dto.MyStorySummaryResDto;
+import com.likelion.monday.domain.mygarden.dto.ReceivedLikeResDto;
+import com.likelion.monday.domain.mygarden.dto.SentStoryResDto;
 import com.likelion.monday.domain.mygarden.service.MyGardenService;
 import com.likelion.monday.domain.story.entity.StoryStatus;
 import com.likelion.monday.global.response.ApiResponse;
@@ -30,4 +34,28 @@ public ApiResponse<List<MyStorySummaryResDto>> getMyStories(
             @RequestParam(required = false) StoryStatus status) {
         return ApiResponse.success(myGardenService.getMyStories(accountId, status));
     }
+
+    @Override
+    @GetMapping("/summary")
+    public ApiResponse<MyActivitySummaryResDto> getActivitySummary(@LoginAccountId Long accountId) {
+        return ApiResponse.success(myGardenService.getActivitySummary(accountId));
+    }
+
+    @Override
+    @GetMapping("/sent-stories")
+    public ApiResponse<List<SentStoryResDto>> getSentStories(@LoginAccountId Long accountId) {
+        return ApiResponse.success(myGardenService.getSentStories(accountId));
+    }
+
+    @Override
+    @GetMapping("/received-likes")
+    public ApiResponse<List<ReceivedLikeResDto>> getReceivedLikes(@LoginAccountId Long accountId) {
+        return ApiResponse.success(myGardenService.getReceivedLikes(accountId));
+    }
+
+    @Override
+    @GetMapping("/liked-stories")
+    public ApiResponse<List<LikedStoryResDto>> getLikedStories(@LoginAccountId Long accountId) {
+        return ApiResponse.success(myGardenService.getLikedStories(accountId));
+    }
 }
\ No newline at end of file
diff --git a/src/main/java/com/likelion/monday/domain/mygarden/controller/MyGardenControllerDocs.java b/src/main/java/com/likelion/monday/domain/mygarden/controller/MyGardenControllerDocs.java
index 440e6e5..d0292cd 100644
--- a/src/main/java/com/likelion/monday/domain/mygarden/controller/MyGardenControllerDocs.java
+++ b/src/main/java/com/likelion/monday/domain/mygarden/controller/MyGardenControllerDocs.java
@@ -1,6 +1,10 @@
 package com.likelion.monday.domain.mygarden.controller;
 
+import com.likelion.monday.domain.mygarden.dto.LikedStoryResDto;
+import com.likelion.monday.domain.mygarden.dto.MyActivitySummaryResDto;
 import com.likelion.monday.domain.mygarden.dto.MyStorySummaryResDto;
+import com.likelion.monday.domain.mygarden.dto.ReceivedLikeResDto;
+import com.likelion.monday.domain.mygarden.dto.SentStoryResDto;
 import com.likelion.monday.domain.story.entity.StoryStatus;
 import com.likelion.monday.global.response.ApiResponse;
 import io.swagger.v3.oas.annotations.Operation;
@@ -27,4 +31,32 @@ public interface MyGardenControllerDocs {
             security = @SecurityRequirement(name = "bearerAuth")
     )
     ApiResponse<List<MyStorySummaryResDto>> getMyStories(@Parameter(hidden = true) Long accountId, StoryStatus status);
+
+    @Operation(
+            summary = "내 정원 홈 - 활동 요약 조회",
+            description = "보낸 사연 수, 공감받은 수, 공감한 사연 수를 개수로만 조회한다.",
+            security = @SecurityRequirement(name = "bearerAuth")
+    )
+    ApiResponse<MyActivitySummaryResDto> getActivitySummary(@Parameter(hidden = true) Long accountId);
+
+    @Operation(
+            summary = "보낸 사연 조회",
+            description = "내가 작성한 사연 전체를 최신순으로 조회한다.",
+            security = @SecurityRequirement(name = "bearerAuth")
+    )
+    ApiResponse<List<SentStoryResDto>> getSentStories(@Parameter(hidden = true) Long accountId);
+
+    @Operation(
+            summary = "받은 공감 조회",
+            description = "내가 쓴 사연들에 달린 공감을 최신순으로 조회한다.",
+            security = @SecurityRequirement(name = "bearerAuth")
+    )
+    ApiResponse<List<ReceivedLikeResDto>> getReceivedLikes(@Parameter(hidden = true) Long accountId);
+
+    @Operation(
+            summary = "공감한 사연 조회",
+            description = "내가 다른 사연에 남긴 공감을 최신순으로 조회한다.",
+            security = @SecurityRequirement(name = "bearerAuth")
+    )
+    ApiResponse<List<LikedStoryResDto>> getLikedStories(@Parameter(hidden = true) Long accountId);
 }
\ No newline at end of file
diff --git a/src/main/java/com/likelion/monday/domain/mygarden/dto/LikedStoryResDto.java b/src/main/java/com/likelion/monday/domain/mygarden/dto/LikedStoryResDto.java
new file mode 100644
index 0000000..6261ca5
--- /dev/null
+++ b/src/main/java/com/likelion/monday/domain/mygarden/dto/LikedStoryResDto.java
@@ -0,0 +1,18 @@
+package com.likelion.monday.domain.mygarden.dto;
+
+import io.swagger.v3.oas.annotations.media.Schema;
+import java.time.LocalDateTime;
+
+@Schema(description = "내 정원 - 공감한 사연 목록 항목")
+public record LikedStoryResDto(
+
+        @Schema(description = "사연 ID", example = "1")
+        Long storyId,
+
+        @Schema(description = "사연 제목", example = "우리 집 귀염둥이에게")
+        String storyTitle,
+
+        @Schema(description = "공감한 일시")
+        LocalDateTime likedAt
+) {
+}
\ No newline at end of file
diff --git a/src/main/java/com/likelion/monday/domain/mygarden/dto/MyActivitySummaryResDto.java b/src/main/java/com/likelion/monday/domain/mygarden/dto/MyActivitySummaryResDto.java
new file mode 100644
index 0000000..2d05b88
--- /dev/null
+++ b/src/main/java/com/likelion/monday/domain/mygarden/dto/MyActivitySummaryResDto.java
@@ -0,0 +1,17 @@
+package com.likelion.monday.domain.mygarden.dto;
+
+import io.swagger.v3.oas.annotations.media.Schema;
+
+@Schema(description = "내 정원 홈 - 활동 요약")
+public record MyActivitySummaryResDto(
+
+        @Schema(description = "내가 보낸 사연 수", example = "3")
+        long sentStoryCount,
+
+        @Schema(description = "내가 쓴 사연들이 받은 공감 수", example = "24")
+        long receivedLikeCount,
+
+        @Schema(description = "내가 남긴 공감 수", example = "10")
+        long likedStoryCount
+) {
+}
\ No newline at end of file
diff --git a/src/main/java/com/likelion/monday/domain/mygarden/dto/ReceivedLikeResDto.java b/src/main/java/com/likelion/monday/domain/mygarden/dto/ReceivedLikeResDto.java
new file mode 100644
index 0000000..1f37c29
--- /dev/null
+++ b/src/main/java/com/likelion/monday/domain/mygarden/dto/ReceivedLikeResDto.java
@@ -0,0 +1,17 @@
+package com.likelion.monday.domain.mygarden.dto;
+
+import io.swagger.v3.oas.annotations.media.Schema;
+
+@Schema(description = "내 정원 - 받은 공감 목록 항목")
+public record ReceivedLikeResDto(
+
+        @Schema(description = "공감 ID", example = "1")
+        Long likeId,
+
+        @Schema(description = "공감이 달린 사연 ID", example = "1")
+        Long storyId,
+
+        @Schema(description = "공감이 달린 사연 제목", example = "우리 집 귀염둥이에게")
+        String storyTitle
+) {
+}
\ No newline at end of file
diff --git a/src/main/java/com/likelion/monday/domain/mygarden/dto/SentStoryResDto.java b/src/main/java/com/likelion/monday/domain/mygarden/dto/SentStoryResDto.java
new file mode 100644
index 0000000..e11328c
--- /dev/null
+++ b/src/main/java/com/likelion/monday/domain/mygarden/dto/SentStoryResDto.java
@@ -0,0 +1,22 @@
+package com.likelion.monday.domain.mygarden.dto;
+
+import com.likelion.monday.domain.story.entity.StoryStatus;
+import io.swagger.v3.oas.annotations.media.Schema;
+import java.time.LocalDateTime;
+
+@Schema(description = "내 정원 - 보낸 사연 목록 항목")
+public record SentStoryResDto(
+
+        @Schema(description = "사연 ID", example = "1")
+        Long storyId,
+
+        @Schema(description = "사연 제목", example = "우리 집 귀염둥이에게")
+        String title,
+
+        @Schema(description = "사연 상태", example = "PENDING")
+        StoryStatus status,
+
+        @Schema(description = "제출 일시")
+        LocalDateTime createdAt
+) {
+}
\ No newline at end of file
diff --git a/src/main/java/com/likelion/monday/domain/mygarden/mapper/MyGardenMapper.java b/src/main/java/com/likelion/monday/domain/mygarden/mapper/MyGardenMapper.java
index a5c8487..d0b12ac 100644
--- a/src/main/java/com/likelion/monday/domain/mygarden/mapper/MyGardenMapper.java
+++ b/src/main/java/com/likelion/monday/domain/mygarden/mapper/MyGardenMapper.java
@@ -1,7 +1,11 @@
 package com.likelion.monday.domain.mygarden.mapper;
 
+import com.likelion.monday.domain.mygarden.dto.LikedStoryResDto;
 import com.likelion.monday.domain.mygarden.dto.MyStorySummaryResDto;
+import com.likelion.monday.domain.mygarden.dto.ReceivedLikeResDto;
+import com.likelion.monday.domain.mygarden.dto.SentStoryResDto;
 import com.likelion.monday.domain.story.entity.Story;
+import com.likelion.monday.domain.story.entity.StoryLike;
 import org.springframework.stereotype.Component;
 
 @Component
@@ -16,4 +20,26 @@ public MyStorySummaryResDto toSummaryResDto(Story story) {
                 story.getLikeCount(),
                 story.getCreatedAt());
     }
+
+    public SentStoryResDto toSentStoryResDto(Story story) {
+        return new SentStoryResDto(
+                story.getId(),
+                story.getTitle(),
+                story.getStatus(),
+                story.getCreatedAt());
+    }
+
+    public ReceivedLikeResDto toReceivedLikeResDto(StoryLike like) {
+        return new ReceivedLikeResDto(
+                like.getId(),
+                like.getStory().getId(),
+                like.getStory().getTitle());
+    }
+
+    public LikedStoryResDto toLikedStoryResDto(StoryLike like) {
+        return new LikedStoryResDto(
+                like.getStory().getId(),
+                like.getStory().getTitle(),
+                like.getCreatedAt());
+    }
 }
\ No newline at end of file
diff --git a/src/main/java/com/likelion/monday/domain/mygarden/service/MyGardenService.java b/src/main/java/com/likelion/monday/domain/mygarden/service/MyGardenService.java
index aca13c2..bb6d1eb 100644
--- a/src/main/java/com/likelion/monday/domain/mygarden/service/MyGardenService.java
+++ b/src/main/java/com/likelion/monday/domain/mygarden/service/MyGardenService.java
@@ -1,9 +1,14 @@
 package com.likelion.monday.domain.mygarden.service;
 
+import com.likelion.monday.domain.mygarden.dto.LikedStoryResDto;
+import com.likelion.monday.domain.mygarden.dto.MyActivitySummaryResDto;
 import com.likelion.monday.domain.mygarden.dto.MyStorySummaryResDto;
+import com.likelion.monday.domain.mygarden.dto.ReceivedLikeResDto;
+import com.likelion.monday.domain.mygarden.dto.SentStoryResDto;
 import com.likelion.monday.domain.mygarden.mapper.MyGardenMapper;
 import com.likelion.monday.domain.story.entity.Story;
 import com.likelion.monday.domain.story.entity.StoryStatus;
+import com.likelion.monday.domain.story.repository.StoryLikeRepository;
 import com.likelion.monday.domain.story.repository.StoryRepository;
 import java.util.List;
 import lombok.RequiredArgsConstructor;
@@ -16,6 +21,7 @@
 public class MyGardenService {
 
     private final StoryRepository storyRepository;
+    private final StoryLikeRepository storyLikeRepository;
     private final MyGardenMapper myGardenMapper;
 
     public List<MyStorySummaryResDto> getMyStoriesPreview(Long accountId) {
@@ -33,4 +39,31 @@ public List<MyStorySummaryResDto> getMyStories(Long accountId, StoryStatus statu
                 .map(myGardenMapper::toSummaryResDto)
                 .toList();
     }
+
+    public MyActivitySummaryResDto getActivitySummary(Long accountId) {
+        long sentStoryCount = storyRepository.countByAccountId(accountId);
+        long receivedLikeCount = storyLikeRepository.countByStory_AccountId(accountId);
+        long likedStoryCount = storyLikeRepository.countByAccountId(accountId);
+
+        return new MyActivitySummaryResDto(sentStoryCount, receivedLikeCount, likedStoryCount);
+    }
+
+    public List<SentStoryResDto> getSentStories(Long accountId) {
+        return storyRepository.findAllByAccountIdOrderByCreatedAtDesc(accountId).stream()
+                .map(myGardenMapper::toSentStoryResDto)
+                .toList();
+    }
+
+    // 받은 공감: 내가 쓴 사연들에 달린 공감
+    public List<ReceivedLikeResDto> getReceivedLikes(Long accountId) {
+        return storyLikeRepository.findAllByStory_AccountIdOrderByCreatedAtDesc(accountId).stream()
+                .map(myGardenMapper::toReceivedLikeResDto)
+                .toList();
+    }
+
+    public List<LikedStoryResDto> getLikedStories(Long accountId) {
+        return storyLikeRepository.findAllByAccountIdOrderByCreatedAtDesc(accountId).stream()
+                .map(myGardenMapper::toLikedStoryResDto)
+                .toList();
+    }
 }
\ No newline at end of file
diff --git a/src/main/java/com/likelion/monday/domain/notification/repository/NotificationRepository.java b/src/main/java/com/likelion/monday/domain/notification/repository/NotificationRepository.java
index 73834da..bb2a043 100644
--- a/src/main/java/com/likelion/monday/domain/notification/repository/NotificationRepository.java
+++ b/src/main/java/com/likelion/monday/domain/notification/repository/NotificationRepository.java
@@ -4,4 +4,4 @@
 import org.springframework.data.jpa.repository.JpaRepository;
 
 public interface NotificationRepository extends JpaRepository<Notification, Long> {
-}
+}
\ No newline at end of file
diff --git a/src/main/java/com/likelion/monday/domain/story/repository/StoryLikeRepository.java b/src/main/java/com/likelion/monday/domain/story/repository/StoryLikeRepository.java
new file mode 100644
index 0000000..84d3403
--- /dev/null
+++ b/src/main/java/com/likelion/monday/domain/story/repository/StoryLikeRepository.java
@@ -0,0 +1,16 @@
+package com.likelion.monday.domain.story.repository;
+
+import com.likelion.monday.domain.story.entity.StoryLike;
+import java.util.List;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+public interface StoryLikeRepository extends JpaRepository<StoryLike, Long> {
+
+    long countByStory_AccountId(Long accountId);
+
+    long countByAccountId(Long accountId);
+
+    List<StoryLike> findAllByStory_AccountIdOrderByCreatedAtDesc(Long accountId);
+
+    List<StoryLike> findAllByAccountIdOrderByCreatedAtDesc(Long accountId);
+}
\ No newline at end of file
diff --git a/src/main/java/com/likelion/monday/domain/story/repository/StoryRepository.java b/src/main/java/com/likelion/monday/domain/story/repository/StoryRepository.java
index 90b1f7b..e5e85f8 100644
--- a/src/main/java/com/likelion/monday/domain/story/repository/StoryRepository.java
+++ b/src/main/java/com/likelion/monday/domain/story/repository/StoryRepository.java
@@ -12,6 +12,8 @@ public interface StoryRepository extends JpaRepository<Story, Long> {
 
     long countByStatus(StoryStatus status);
 
+    long countByAccountId(Long accountId);
+
     Page<Story> findAllByStatus(StoryStatus status, Pageable pageable);
 
     List<Story> findTop2ByAccountIdOrderByCreatedAtDesc(Long accountId);