diff --git a/src/main/java/com/team/cklob/gami/domain/admin/dto/response/AdminReportResponse.java b/src/main/java/com/team/cklob/gami/domain/admin/dto/response/AdminReportResponse.java
index 9a38e81e..ca7f0f20 100644
--- a/src/main/java/com/team/cklob/gami/domain/admin/dto/response/AdminReportResponse.java
+++ b/src/main/java/com/team/cklob/gami/domain/admin/dto/response/AdminReportResponse.java
@@ -1,6 +1,7 @@
 package com.team.cklob.gami.domain.admin.dto.response;
 
 import com.team.cklob.gami.domain.report.entity.Report;
+import com.team.cklob.gami.domain.report.entity.constant.ReportResult;
 import com.team.cklob.gami.domain.report.entity.constant.ReportType;
 import lombok.Builder;
 import lombok.Getter;
@@ -11,11 +12,17 @@ public class AdminReportResponse {
 
     private final Long id;
     private final ReportType reportType;
+    private final ReportResult reportResult;
+    private final String reporterName;
+    private final Long reportedPostId;
 
     public static AdminReportResponse from(Report report) {
         return AdminReportResponse.builder()
                 .id(report.getId())
                 .reportType(report.getReportType())
+                .reportResult(report.getResult())
+                .reporterName(report.getReporter().getName())
+                .reportedPostId(report.getPost().getId())
                 .build();
     }
 }
diff --git a/src/main/java/com/team/cklob/gami/domain/admin/service/impl/AdminReportListServiceImpl.java b/src/main/java/com/team/cklob/gami/domain/admin/service/impl/AdminReportListServiceImpl.java
index a70e47d4..236b7be9 100644
--- a/src/main/java/com/team/cklob/gami/domain/admin/service/impl/AdminReportListServiceImpl.java
+++ b/src/main/java/com/team/cklob/gami/domain/admin/service/impl/AdminReportListServiceImpl.java
@@ -18,7 +18,7 @@ public class AdminReportListServiceImpl implements AdminReportListService {
 
     @Override
     public List<AdminReportResponse> getReports() {
-        return reportRepository.findAll()
+        return reportRepository.findAllWithReporterAndPost()
                 .stream()
                 .map(AdminReportResponse::from)
                 .toList();
diff --git a/src/main/java/com/team/cklob/gami/domain/chat/entity/ChatRoom.java b/src/main/java/com/team/cklob/gami/domain/chat/entity/ChatRoom.java
index 9e2b3720..f8824481 100644
--- a/src/main/java/com/team/cklob/gami/domain/chat/entity/ChatRoom.java
+++ b/src/main/java/com/team/cklob/gami/domain/chat/entity/ChatRoom.java
@@ -47,6 +47,9 @@ public class ChatRoom {
     @Column(name = "last_message", nullable = false)
     private String lastMessage;
 
+    @Column(name = "last_message_at")
+    private LocalDateTime lastMessageAt;
+
     @CreatedDate
     @Column(name = "created_at", updatable = false, nullable = false)
     private LocalDateTime createdAt;
@@ -103,7 +106,8 @@ public boolean isMember(Member member) {
                 || member.getId().equals(mentee.getId());
     }
 
-    public void updateLastMessage(String message) {
+    public void updateLastMessage(String message, LocalDateTime lastMessageAt) {
         this.lastMessage = message;
+        this.lastMessageAt = lastMessageAt;
     }
 }
diff --git a/src/main/java/com/team/cklob/gami/domain/chat/repository/ChatRoomRepository.java b/src/main/java/com/team/cklob/gami/domain/chat/repository/ChatRoomRepository.java
index a73e23cf..c84f745f 100644
--- a/src/main/java/com/team/cklob/gami/domain/chat/repository/ChatRoomRepository.java
+++ b/src/main/java/com/team/cklob/gami/domain/chat/repository/ChatRoomRepository.java
@@ -29,5 +29,12 @@ boolean existsByRoomIdAndMemberId(
     Optional<MemberDetail> findOtherMemberInRoom(@Param("roomId") Long roomId,
                                                  @Param("memberId") Long memberId);
 
-    List<ChatRoom> findAllByMentorIdOrMenteeId(Long mentorId, Long menteeId);
+    @Query("""
+    select cr from ChatRoom cr
+    where cr.mentor.id = :memberId or cr.mentee.id = :memberId
+    order by cr.lastMessageAt desc nulls last
+    """)
+    List<ChatRoom> findAllByMentorIdOrMenteeId(
+            @Param("memberId") Long memberId
+    );
 }
diff --git a/src/main/java/com/team/cklob/gami/domain/chat/service/impl/ChatMessageServiceImpl.java b/src/main/java/com/team/cklob/gami/domain/chat/service/impl/ChatMessageServiceImpl.java
index 7f668765..847d4cdc 100644
--- a/src/main/java/com/team/cklob/gami/domain/chat/service/impl/ChatMessageServiceImpl.java
+++ b/src/main/java/com/team/cklob/gami/domain/chat/service/impl/ChatMessageServiceImpl.java
@@ -68,7 +68,7 @@ public void execute(Long roomId, ChatMessageRequest request, Principal principal
                 .build();
 
         chatMessageRepository.save(message);
-        chatRoom.updateLastMessage(request.message());
+        chatRoom.updateLastMessage(request.message(), message.getCreatedAt());
 
         ChatMessageResponse response = new ChatMessageResponse(
                 message.getId(),
diff --git a/src/main/java/com/team/cklob/gami/domain/chat/service/impl/GetChatRoomListServiceImpl.java b/src/main/java/com/team/cklob/gami/domain/chat/service/impl/GetChatRoomListServiceImpl.java
index 94834d04..0ee5a4a9 100644
--- a/src/main/java/com/team/cklob/gami/domain/chat/service/impl/GetChatRoomListServiceImpl.java
+++ b/src/main/java/com/team/cklob/gami/domain/chat/service/impl/GetChatRoomListServiceImpl.java
@@ -31,7 +31,7 @@ public List<GetChatRoomListResponse> execute() {
         Member member = memberUtil.getCurrentMember();
 
         List<ChatRoom> chatRoomList = chatRoomRepository
-                .findAllByMentorIdOrMenteeId(member.getId(), member.getId());
+                .findAllByMentorIdOrMenteeId(member.getId());
 
         List<Long> otherMemberIds = chatRoomList.stream()
                 .map(chatRoom -> {
diff --git a/src/main/java/com/team/cklob/gami/domain/report/repository/ReportRepository.java b/src/main/java/com/team/cklob/gami/domain/report/repository/ReportRepository.java
index 040b584f..d1313f85 100644
--- a/src/main/java/com/team/cklob/gami/domain/report/repository/ReportRepository.java
+++ b/src/main/java/com/team/cklob/gami/domain/report/repository/ReportRepository.java
@@ -3,6 +3,9 @@
 import com.team.cklob.gami.domain.report.entity.Report;
 import com.team.cklob.gami.domain.report.entity.constant.ReportType;
 import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Query;
+
+import java.util.List;
 
 public interface ReportRepository extends JpaRepository<Report, Long> {
 
@@ -11,4 +14,12 @@ boolean existsByReporterIdAndPostIdAndReportType(
             Long postId,
             ReportType reportType
     );
+
+    @Query("""
+        SELECT r
+        FROM Report r
+        JOIN FETCH r.reporter
+        JOIN FETCH r.post
+    """)
+    List<Report> findAllWithReporterAndPost();
 }