diff --git a/src/main/java/com/example/demo/app/infra/repository/AllocationRepository.java b/src/main/java/com/example/demo/app/infra/repository/AllocationRepository.java
index 5dc0ece..28656c2 100644
--- a/src/main/java/com/example/demo/app/infra/repository/AllocationRepository.java
+++ b/src/main/java/com/example/demo/app/infra/repository/AllocationRepository.java
@@ -28,5 +28,5 @@ public interface AllocationRepository extends JpaRepository<AllocationEntity, Al
 			+ " ORDER BY a.courseEntity.courseId ASC, "
 			+ " a.categoryEntity.categoryId ASC ")
 	List<CourseInfoModel> findAllJoinedAllocation();
-	
+
 }
diff --git a/src/main/java/com/example/demo/app/infra/repository/UserRepository.java b/src/main/java/com/example/demo/app/infra/repository/UserRepository.java
index 239dba4..868dd8a 100644
--- a/src/main/java/com/example/demo/app/infra/repository/UserRepository.java
+++ b/src/main/java/com/example/demo/app/infra/repository/UserRepository.java
@@ -16,5 +16,6 @@ public interface UserRepository extends JpaRepository<UserEntity, Long> {
             String mailAddress,
             String password);
 
+    Optional<UserEntity> findByMailAddress(String mailAddress);
 }
 
diff --git a/src/main/java/com/example/demo/app/presentation/controller/UserController.java b/src/main/java/com/example/demo/app/presentation/controller/UserController.java
index 2914032..7b2aef4 100644
--- a/src/main/java/com/example/demo/app/presentation/controller/UserController.java
+++ b/src/main/java/com/example/demo/app/presentation/controller/UserController.java
@@ -31,5 +31,19 @@ public class UserController {
 
 	    return "user_register_confirm";
 	}
+	
+	@PostMapping("/user/register/complete")
+	public String completeRegister(HttpSession session) {
+
+	    UserForm userForm =
+	            (UserForm) session.getAttribute("userForm");
+
+	    // DBへの登録処理
+
+	    session.removeAttribute("userForm");
+
+	    return "redirect:/login";
+	}
+
 
 }