diff --git a/team1/src/main/java/com/example/demo/controller/returnCompleteController.java b/team1/src/main/java/com/example/demo/controller/ReturnCompleteController.java
similarity index 57%
rename from team1/src/main/java/com/example/demo/controller/returnCompleteController.java
rename to team1/src/main/java/com/example/demo/controller/ReturnCompleteController.java
index 3362541..38ab939 100644
--- a/team1/src/main/java/com/example/demo/controller/returnCompleteController.java
+++ b/team1/src/main/java/com/example/demo/controller/ReturnCompleteController.java
@@ -1,16 +1,29 @@
 package com.example.demo.controller;
 
+import jakarta.servlet.http.HttpSession;
+
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Controller;
 import org.springframework.web.bind.annotation.ModelAttribute;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RequestMethod;
 
 import com.example.demo.form.ReturnForm;
+import com.example.demo.service.ReturnService;
 
 //返却完了用のコントローラー
 @Controller
 public class ReturnCompleteController {
 
+	HttpSession httpSession;
+	ReturnService rerurnService;
+
+	@Autowired
+	public ReturnCompleteController(HttpSession httpSession, ReturnService rerurnService) {
+		this.httpSession = httpSession;
+		this.rerurnService = rerurnService;
+	}
+
 	@ModelAttribute
 	ReturnForm returnForm() {
 		return new ReturnForm();
@@ -21,14 +34,13 @@ public class ReturnCompleteController {
 	public String returnComplete(ReturnForm returnForm) {
 
 		try {
-			System.out.println(returnForm.getNmBook());
+			//セッションからIDを拾いたい
+			httpSession.getAttribute("");
+			//いったん1ということで
+			int id = 1;
+
+			rerurnService.setReturn(returnForm.getIdRequest(), id);
 
-			//各種　必要な値をDBから取得,セッションからログイン者の情報
-			//蔵書テーブルの貸出フラグを貸出可、
-			//貸出テーブルのステータスを返却済、
-			//返却日を当日日付、
-			//更新者を更新した人のID、
-			//更新日を当日日付に更新する。
 			return "returnComplete";
 
 		} catch (Exception e) {
diff --git a/team1/src/main/java/com/example/demo/controller/ReturnConfirmController.java b/team1/src/main/java/com/example/demo/controller/ReturnConfirmController.java
index eef5e7e..5bc1b5b 100644
--- a/team1/src/main/java/com/example/demo/controller/ReturnConfirmController.java
+++ b/team1/src/main/java/com/example/demo/controller/ReturnConfirmController.java
@@ -8,15 +8,15 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RequestMethod;
 
 import com.example.demo.form.ReturnForm;
-import com.example.demo.service.RerurnService;
+import com.example.demo.service.ReturnService;
 
 @Controller
 public class ReturnConfirmController {
 
-	RerurnService rerurnService;
+	ReturnService rerurnService;
 
 	@Autowired
-	ReturnConfirmController(RerurnService rerurnService) {
+	ReturnConfirmController(ReturnService rerurnService) {
 		this.rerurnService = rerurnService;
 	}
 
diff --git a/team1/src/main/java/com/example/demo/service/RerurnService.java b/team1/src/main/java/com/example/demo/service/ReturnService.java
similarity index 69%
rename from team1/src/main/java/com/example/demo/service/RerurnService.java
rename to team1/src/main/java/com/example/demo/service/ReturnService.java
index a39f7e3..dd7e6b9 100644
--- a/team1/src/main/java/com/example/demo/service/RerurnService.java
+++ b/team1/src/main/java/com/example/demo/service/ReturnService.java
@@ -1,5 +1,6 @@
 package com.example.demo.service;
 
+import java.util.Date;
 import java.util.Optional;
 
 import org.springframework.beans.factory.annotation.Autowired;
@@ -12,14 +13,14 @@ import com.example.demo.repository.Borrow_BooksRepository;
 import com.example.demo.repository.EmployeeRepository;
 
 @Service
-public class RerurnService {
+public class ReturnService {
 
 	Book_CollectionRepository book_CollectionRepository;
 	Borrow_BooksRepository borrowRepository;
 	EmployeeRepository employeeRepository;
 
 	@Autowired
-	public RerurnService(
+	public ReturnService(
 			Book_CollectionRepository book_CollectionRepository,
 			Borrow_BooksRepository borrowRepository,
 			EmployeeRepository employeeRepository) {
@@ -48,4 +49,17 @@ public class RerurnService {
 		return result;
 	}
 
+	public void setReturn(int id_request, int id_employee) {
+		var borrow = borrowRepository.findById(id_request);
+		var book = book_CollectionRepository.findById(borrow.get().getIdBook());
+		book.get().setFlgLending('0');//「貸出フラグ」を【貸出可】
+		borrow.get().setStatus('0');//貸出テーブルの「ステータス」を【返却済
+		borrow.get().setDateReturn(new Date());//「返却日」を当日日付
+		borrow.get().setIdUpdate(id_employee);//「更新者」を更新した人のID
+		borrow.get().setDateUpdate(new Date());//「更新日」を当日日付に更新する。
+
+		borrowRepository.save(borrow.get());
+		book_CollectionRepository.save(book.get());
+	}
+
 }