diff --git a/src/main/java/org/ntlab/citrusserver/resources/FavoritesRest.java b/src/main/java/org/ntlab/citrusserver/resources/FavoritesRest.java
new file mode 100644
index 0000000..5dd76fc
--- /dev/null
+++ b/src/main/java/org/ntlab/citrusserver/resources/FavoritesRest.java
@@ -0,0 +1,66 @@
+package org.ntlab.citrusserver.resources;
+
+
+import jakarta.ws.rs.*;
+import jakarta.ws.rs.core.MediaType;
+import jakarta.ws.rs.core.Response;
+import org.ntlab.citrusserver.repositories.AccountManager;
+import org.ntlab.citrusserver.repositories.FavoriteManager;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
+
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Set;
+
+@Path("/accounts")
+@Component //accountRestのインスタンスを一個作る
+
+public class FavoritesRest {
+    private final FavoriteManager favoriteManager;
+    private final AccountManager accountManager;
+
+    @Autowired
+    public FavoritesRest(FavoriteManager fm, AccountManager am){
+        favoriteManager = fm;
+        accountManager = am;
+    }
+
+    @Path("/{account_id}/favorites")
+    @GET
+    @Produces(MediaType.APPLICATION_JSON)
+    public HashMap<String, HashSet<Integer>> getFavoritesBooks(@PathParam("account_id") String  accountId, @QueryParam("token") String token){
+        if(FavoriteManager.getFavoritesBooks(accountId) == null){
+            var response = Response.status(Response.Status.NOT_FOUND).entity("アカウントが見つかりません");
+            throw new WebApplicationException(response.build());
+        }
+        else{
+            if(!accountManager.checkToken(accountId, token)) {
+                var response = Response.status(Response.Status.FORBIDDEN).entity("認証失敗");
+                throw new WebApplicationException(response.build());
+            }
+            else{
+                return FavoriteManager.getFavoritesBooks(accountId);
+            }
+        }
+    }
+
+    @Path("/{account_id}/favorites/{other_account_id}")
+    @GET
+    @Produces(MediaType.APPLICATION_JSON)
+    public HashSet<Integer> getFavoritesBooksById(@PathParam("account_id") String  accountId, @PathParam("other_account_id") String  otherAccountId,  @QueryParam("token") String token){
+        if(FavoriteManager.getFavoritesBooksById(accountId) == null){
+            var response = Response.status(Response.Status.NOT_FOUND).entity("アカウントが見つかりません");
+            throw new WebApplicationException(response.build());
+        }
+        else{
+            if(!accountManager.checkToken(accountId, token)) {
+                var response = Response.status(Response.Status.FORBIDDEN).entity("認証失敗");
+                throw new WebApplicationException(response.build());
+            }
+            else{
+                return FavoriteManager.getFavoritesBooks(accountId);
+            }
+        }
+    }
+}