diff --git a/src/main/java/org/ntlab/tampoposerver/models/Notification.java b/src/main/java/org/ntlab/tampoposerver/models/Notification.java
index ccefd39..115664b 100644
--- a/src/main/java/org/ntlab/tampoposerver/models/Notification.java
+++ b/src/main/java/org/ntlab/tampoposerver/models/Notification.java
@@ -1,18 +1,22 @@
 package org.ntlab.tampoposerver.models;
 
+import com.fasterxml.jackson.annotation.JsonIgnore;
+
 public class Notification {
+    @JsonIgnore
     private String userId;
+    @JsonIgnore
     private String notificationId;
     private String from;
     private String text;
     private String time;
 
     public Notification(String u, String n, String f, String tx, String tm) {
-        userId = u;
-        notificationId = n;
-        from = f;
-        text = tx;
-        time = tm;
+        this.userId = u;
+        this.notificationId = n;
+        this.from = f;
+        this.text = tx;
+        this.time = tm;
     }
 
     public String getUserId() {
diff --git a/src/main/java/org/ntlab/tampoposerver/repositories/NotificationRepository.java b/src/main/java/org/ntlab/tampoposerver/repositories/NotificationRepository.java
index d0d1642..0bc32e6 100644
--- a/src/main/java/org/ntlab/tampoposerver/repositories/NotificationRepository.java
+++ b/src/main/java/org/ntlab/tampoposerver/repositories/NotificationRepository.java
@@ -6,6 +6,7 @@
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
+import java.util.Map;
 import java.util.stream.Collectors;
 
 @Repository
@@ -33,14 +34,14 @@
     }
 
     //ユーザーに対応した通知リストの取得(時刻降順)
-    public List<String> getNotificationsForUser(String userId){
-        if(notificationMap.get(userId) == null) {
+    public List<Notification> getNotificationsForUser(String userId){
+        Map<String, Notification> userNotifications = notificationMap.get(userId);
+        if(userNotifications == null) {
             return new ArrayList<>();
         }
 
-        return notificationMap.get(userId).values().stream()
+        return userNotifications.values().stream()
                 .sorted((a, b) -> b.getTime().compareTo(a.getTime()))
-                .map(Notification::getNotificationId)
                 .collect(Collectors.toList());
     }
 }
diff --git a/src/test/java/org/ntlab/tampoposerver/repositories/NotificationRepositoryTest.java b/src/test/java/org/ntlab/tampoposerver/repositories/NotificationRepositoryTest.java
index 698f01f..4f00ba7 100644
--- a/src/test/java/org/ntlab/tampoposerver/repositories/NotificationRepositoryTest.java
+++ b/src/test/java/org/ntlab/tampoposerver/repositories/NotificationRepositoryTest.java
@@ -1,9 +1,14 @@
 package org.ntlab.tampoposerver.repositories;
 
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;
 import org.junit.jupiter.api.Test;
 import org.ntlab.tampoposerver.models.Notification;
 import org.springframework.boot.test.context.SpringBootTest;
 
+import java.util.List;
+
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertNull;
 
@@ -11,7 +16,7 @@
 public class NotificationRepositoryTest {
 
     @Test
-    void contextLoads() {
+    void contextLoads() throws JsonProcessingException {
         NotificationRepository notificationRepository = new NotificationRepository();
 
         Notification n1_1 = notificationRepository.addNotification("u01","n01","u00","telephone1","2025-06-10 10:00:11");
@@ -29,5 +34,21 @@
         assertNull(n);
 
         System.out.println(notificationRepository.getNotificationsForUser("u01"));
+
+        System.out.println(notificationRepository.getNotification("u01","n01"));
+
+        //JSONに変換して表示するテスト
+        ObjectMapper mapper = new ObjectMapper();
+        mapper.registerModule(new JavaTimeModule()); // LocalDateTime対応
+        mapper.findAndRegisterModules(); // 任意（自動登録）
+
+        List<Notification> notifications = notificationRepository.getNotificationsForUser("u01");
+        String notificationsJson = mapper.writerWithDefaultPrettyPrinter().writeValueAsString(notifications);
+        System.out.println(notificationsJson);
+
+        String singleNotificationJson = mapper.writerWithDefaultPrettyPrinter().writeValueAsString(
+                notificationRepository.getNotification("u01", "n01")
+        );
+        System.out.println(singleNotificationJson);
     }
 }