diff --git a/core/core-api/src/main/java/com/nerd/favorite18/core/api/auth/business/AuthBusiness.java b/core/core-api/src/main/java/com/nerd/favorite18/core/api/auth/business/AuthBusiness.java
index 949eb3c..7f6bd5f 100644
--- a/core/core-api/src/main/java/com/nerd/favorite18/core/api/auth/business/AuthBusiness.java
+++ b/core/core-api/src/main/java/com/nerd/favorite18/core/api/auth/business/AuthBusiness.java
@@ -2,9 +2,12 @@
 
 import com.nerd.favorite18.core.api._common.annotation.Business;
 import com.nerd.favorite18.core.api._common.client.OAuth2Client;
+import com.nerd.favorite18.core.api._common.support.error.CoreApiException;
+import com.nerd.favorite18.core.api._common.support.error.ErrorType;
 import com.nerd.favorite18.core.api._common.utils.SHA256HashUtils;
 import com.nerd.favorite18.core.api.auth.dto.request.AuthLoginGoogleRequest;
 import com.nerd.favorite18.core.api.auth.dto.request.AuthRefreshRequest;
+import com.nerd.favorite18.core.api.auth.dto.request.AuthSignupGoogleRequest;
 import com.nerd.favorite18.core.api.auth.dto.response.AuthGoogleAccessTokenResponse;
 import com.nerd.favorite18.core.api.auth.model.GoogleUserInfo;
 import com.nerd.favorite18.core.api.auth.model.GoogleUserInfoMobile;
@@ -29,14 +32,52 @@ public class AuthBusiness {
     private final OAuth2Client oauth2Client;
 
     /**
-     * [ 로그인 요청 ]
+     * [ 회원가입 ]
      * <br/>
-     * 1. 구글 OAuth2.0 로그인 요청 클라이언트 실행 <br/>
+     * 1. OAuth2.0 로그인 진행 후 리다이렉트 되어 실행되는 로직 <br/>
      *
-     * @return Redirect URI
+     * @param request 생년월일, 성별, 사용자 정보
+     * @return 사용자 정보
      */
-    public URI login() {
-        return oauth2Client.getAuthorizationUri();
+    public UserDto signUp(AuthSignupGoogleRequest request) {
+        GoogleUserInfoMobile googleUserInfo = new GoogleUserInfoMobile(request.getUserInfo());
+
+        return userService.saveUser(
+                UserRegisterRequest.of(
+                        googleUserInfo.getSubId(),
+                        googleUserInfo.getEmail(),
+                        googleUserInfo.getName(),
+                        request.getBirth(),
+                        request.getGender(),
+                        googleUserInfo.getThumbnail()
+                )
+        );
+    }
+
+    /**
+     * [ 로그인 체크 With Error ]
+     * <br/>
+     * 1. 구글 유저정보 기반으로 DB 에서 유저 조회 <br/>
+     * 2. 유저 없으면 400 에러 반환 <br/>
+     * 3. 유저 있으면 바로 유저 조회 결과 반환 <br/>
+     * 4. 반환된 유저정보 기준으로 Jwt 토큰 발행 <br/>
+     *
+     * @param userInfo OAuth 유저정보
+     * @return JwtResponse JWT 토큰 발행
+     */
+    private JwtResponse checkLoginUserWithError(OAuth2UserInfo userInfo) {
+        UserDto userDto;
+        try {
+            // 유저 조회하고 있으면 바로 반환, 만약 유저 상태가 ACTIVE 가 아니면 ACTIVE 로 바꾸고 사용자 반환
+            userDto = userService.getUserAndUpdateStatusWithThrow(userInfo.getSubId(), userInfo.getEmail());
+        } catch (RuntimeException e) {
+            throw new CoreApiException(ErrorType.USER_NOT_FOUND, "회원가입이 되어있지 않습니다.");
+        }
+
+        final JwtResponse jwtResponse = jwtBusiness.issueToken(userDto);
+        userService.updateUserRefreshToken(userDto.getId(), SHA256HashUtils.hashToken(jwtResponse.getRefreshToken()));
+
+        return jwtResponse;
     }
 
     /**
@@ -50,27 +91,18 @@ public URI login() {
     public JwtResponse loginGoogle(AuthLoginGoogleRequest request) {
         GoogleUserInfoMobile googleUserInfo = new GoogleUserInfoMobile(request.getUserInfo());
 
-        return checkLoginUser(googleUserInfo);
+        return checkLoginUserWithError(googleUserInfo);
     }
 
     /**
-     * [ 웹 콜백 로그인 ]
+     * [ 로그인 요청 ]
      * <br/>
-     * 1. OAuth2.0 로그인 진행 후 리다이렉트 되어 실행되는 로직 <br/>
-     * 2. 구글 API 에서 AccessToken 받음 <br/>
-     * 3. 전달받은 AccessToken 으로 유저정보 API 실행 <br/>
-     * 4. 유저정보로 유저 체크 후 JWT 토큰 발행 <br/>
+     * 1. 구글 OAuth2.0 로그인 요청 클라이언트 실행 <br/>
      *
-     * @param authorizationCode 구글로 부터 전달받은 인증코드
-     * @return JwtResponse JWT 토큰 발행
+     * @return Redirect URI
      */
-    public JwtResponse callbackGoogle(String authorizationCode) {
-        AuthGoogleAccessTokenResponse tokenResponse = oauth2Client.getAccessToken(authorizationCode);
-
-        String accessToken = tokenResponse.getAccessToken();
-        GoogleUserInfo googleUserInfo = new GoogleUserInfo(oauth2Client.getUserInfo(accessToken));
-
-        return checkLoginUser(googleUserInfo);
+    public URI login() {
+        return oauth2Client.getAuthorizationUri();
     }
 
     /**
@@ -92,7 +124,12 @@ private JwtResponse checkLoginUser(OAuth2UserInfo userInfo) {
         } catch (RuntimeException e) {
             // 조회되지 않으면 강제 회원가입 후 유저 반환
             userDto = userService.saveUser(UserRegisterRequest.of(
-                    userInfo.getSubId(), userInfo.getEmail(), userInfo.getName(), userInfo.getThumbnail())
+                    userInfo.getSubId(),
+                    userInfo.getEmail(),
+                    userInfo.getName(),
+                    null,
+                    null,
+                    userInfo.getThumbnail())
             );
         }
 
@@ -102,6 +139,26 @@ private JwtResponse checkLoginUser(OAuth2UserInfo userInfo) {
         return jwtResponse;
     }
 
+    /**
+     * [ 웹 콜백 로그인 ]
+     * <br/>
+     * 1. OAuth2.0 로그인 진행 후 리다이렉트 되어 실행되는 로직 <br/>
+     * 2. 구글 API 에서 AccessToken 받음 <br/>
+     * 3. 전달받은 AccessToken 으로 유저정보 API 실행 <br/>
+     * 4. 유저정보로 유저 체크 후 JWT 토큰 발행 <br/>
+     *
+     * @param authorizationCode 구글로 부터 전달받은 인증코드
+     * @return JwtResponse JWT 토큰 발행
+     */
+    public JwtResponse callbackGoogle(String authorizationCode) {
+        AuthGoogleAccessTokenResponse tokenResponse = oauth2Client.getAccessToken(authorizationCode);
+
+        String accessToken = tokenResponse.getAccessToken();
+        GoogleUserInfo googleUserInfo = new GoogleUserInfo(oauth2Client.getUserInfo(accessToken));
+
+        return checkLoginUser(googleUserInfo);
+    }
+
     /**
      * [ 리프레쉬 토큰 발행 ]
      * <br/>
diff --git a/core/core-api/src/main/java/com/nerd/favorite18/core/api/auth/controller/AuthOpenApiController.java b/core/core-api/src/main/java/com/nerd/favorite18/core/api/auth/controller/AuthOpenApiController.java
index d7e4a89..953329c 100644
--- a/core/core-api/src/main/java/com/nerd/favorite18/core/api/auth/controller/AuthOpenApiController.java
+++ b/core/core-api/src/main/java/com/nerd/favorite18/core/api/auth/controller/AuthOpenApiController.java
@@ -1,9 +1,11 @@
 package com.nerd.favorite18.core.api.auth.controller;
 
+import com.nerd.favorite18.core.api._common.support.response.ApiResponse;
 import com.nerd.favorite18.core.api.auth.business.AuthBusiness;
 import com.nerd.favorite18.core.api.auth.dto.request.AuthLoginGoogleRequest;
+import com.nerd.favorite18.core.api.auth.dto.request.AuthSignupGoogleRequest;
 import com.nerd.favorite18.core.api.jwt.dto.JwtResponse;
-import com.nerd.favorite18.core.api._common.support.response.ApiResponse;
+import com.nerd.favorite18.core.api.user.dto.UserDto;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.web.bind.annotation.GetMapping;
@@ -22,11 +24,12 @@
 public class AuthOpenApiController {
     private final AuthBusiness authBusiness;
 
-    // 로그인 url 발행 요청
-    @GetMapping("/login")
-    public URI login() {
+    // 모바일 회원가입 진행
+    @PostMapping("/signup")
+    public ApiResponse<UserDto> signUp(@RequestBody AuthSignupGoogleRequest request) {
+        final UserDto userDto = authBusiness.signUp(request);
 
-        return authBusiness.login();
+        return ApiResponse.success(userDto);
     }
 
     // 모바일 로그인 진행
@@ -37,6 +40,13 @@ public ApiResponse<JwtResponse> loginGoogle(@RequestBody AuthLoginGoogleRequest
         return ApiResponse.success(jwtResponse);
     }
 
+    // 로그인 url 발행 요청
+    @GetMapping("/login")
+    public URI login() {
+
+        return authBusiness.login();
+    }
+
     // 웹 로그인 콜백 주소
     @GetMapping("/login/oauth2/code/google")
     public ApiResponse<JwtResponse> callbackGoogle(@RequestParam("code") String authorizationCode) {
diff --git a/core/core-api/src/main/java/com/nerd/favorite18/core/api/auth/dto/request/AuthSignupGoogleRequest.java b/core/core-api/src/main/java/com/nerd/favorite18/core/api/auth/dto/request/AuthSignupGoogleRequest.java
new file mode 100644
index 0000000..ec1f3c0
--- /dev/null
+++ b/core/core-api/src/main/java/com/nerd/favorite18/core/api/auth/dto/request/AuthSignupGoogleRequest.java
@@ -0,0 +1,12 @@
+package com.nerd.favorite18.core.api.auth.dto.request;
+
+import com.nerd.favorite18.core.api.auth.model.UserInfo;
+import com.nerd.favorite18.core.enums.user.UserGender;
+import lombok.Getter;
+
+@Getter
+public class AuthSignupGoogleRequest {
+    String birth;
+    UserGender gender;
+    UserInfo userInfo;
+}
diff --git a/core/core-api/src/main/java/com/nerd/favorite18/core/api/user/business/UserBusiness.java b/core/core-api/src/main/java/com/nerd/favorite18/core/api/user/business/UserBusiness.java
index 219286f..78e5079 100644
--- a/core/core-api/src/main/java/com/nerd/favorite18/core/api/user/business/UserBusiness.java
+++ b/core/core-api/src/main/java/com/nerd/favorite18/core/api/user/business/UserBusiness.java
@@ -17,8 +17,8 @@ public class UserBusiness {
      * @param user 로그인 유저 정보
      * @param request 업데이트할 이름
      */
-    public void updateNickname(UserDto user, UserUpdateNicknameRequest request) {
-        userService.updateNickname(user, request);
+    public UserDto updateNickname(UserDto user, UserUpdateNicknameRequest request) {
+        return userService.updateNickname(user, request);
     }
 
     /**
diff --git a/core/core-api/src/main/java/com/nerd/favorite18/core/api/user/controller/UserController.java b/core/core-api/src/main/java/com/nerd/favorite18/core/api/user/controller/UserController.java
index dba00e8..910323f 100644
--- a/core/core-api/src/main/java/com/nerd/favorite18/core/api/user/controller/UserController.java
+++ b/core/core-api/src/main/java/com/nerd/favorite18/core/api/user/controller/UserController.java
@@ -23,10 +23,10 @@ public ApiResponse<UserDto> me(@UserSession UserDto user) {
 
     // 사용자 닉네임 변경
     @PutMapping("/nickname")
-    public ApiResponse<Void> updateNickname(@UserSession UserDto user, @RequestBody UserUpdateNicknameRequest request) {
-        userBusiness.updateNickname(user, request);
+    public ApiResponse<UserDto> updateNickname(@UserSession UserDto user, @RequestBody UserUpdateNicknameRequest request) {
+        final UserDto userDto = userBusiness.updateNickname(user, request);
 
-        return ApiResponse.success();
+        return ApiResponse.success(userDto);
     }
 
     // 회원 탈퇴
diff --git a/core/core-api/src/main/java/com/nerd/favorite18/core/api/user/converter/UserConverter.java b/core/core-api/src/main/java/com/nerd/favorite18/core/api/user/converter/UserConverter.java
index 5f11b3d..d5179d1 100644
--- a/core/core-api/src/main/java/com/nerd/favorite18/core/api/user/converter/UserConverter.java
+++ b/core/core-api/src/main/java/com/nerd/favorite18/core/api/user/converter/UserConverter.java
@@ -17,6 +17,8 @@ public User toEntity(UserRegisterRequest request) {
                         .subId(request.getSubId())
                         .email(request.getEmail())
                         .name(request.getName())
+                        .birth(request.getBirth())
+                        .gender(request.getGender())
                         .thumbnail(request.getThumbnail())
                         .role(UserRole.USER)
                         .status(UserStatus.ACTIVE)
@@ -42,4 +44,23 @@ public UserDto toDto(User entity) {
                 entity.getUpdatedAt()
         );
     }
+
+    public UserDto toDtoWithoutToken(User entity) {
+
+        return UserDto.of(
+                entity.getId(),
+                entity.getSubId(),
+                entity.getEmail(),
+                entity.getName(),
+                entity.getNickname(),
+                entity.getBirth(),
+                entity.getGender(),
+                entity.getThumbnail(),
+                entity.getRole(),
+                entity.getStatus(),
+                null,
+                entity.getCreatedAt(),
+                entity.getUpdatedAt()
+        );
+    }
 }
diff --git a/core/core-api/src/main/java/com/nerd/favorite18/core/api/user/dto/request/UserRegisterRequest.java b/core/core-api/src/main/java/com/nerd/favorite18/core/api/user/dto/request/UserRegisterRequest.java
index 273a48c..154477f 100644
--- a/core/core-api/src/main/java/com/nerd/favorite18/core/api/user/dto/request/UserRegisterRequest.java
+++ b/core/core-api/src/main/java/com/nerd/favorite18/core/api/user/dto/request/UserRegisterRequest.java
@@ -1,13 +1,12 @@
 package com.nerd.favorite18.core.api.user.dto.request;
 
+import com.nerd.favorite18.core.enums.user.UserGender;
 import jakarta.validation.constraints.Email;
 import jakarta.validation.constraints.NotBlank;
 import lombok.AllArgsConstructor;
-import lombok.Data;
-import lombok.NoArgsConstructor;
+import lombok.Getter;
 
-@Data
-@NoArgsConstructor
+@Getter
 @AllArgsConstructor
 public class UserRegisterRequest {
     @NotBlank
@@ -18,10 +17,19 @@ public class UserRegisterRequest {
     private String email;
 
     private String name;
+    private String birth;
+    private UserGender gender;
 
     private String thumbnail;
 
-    public static UserRegisterRequest of(String subId, String email, String name, String thumbnail) {
-        return new UserRegisterRequest(subId, email, name, thumbnail);
+    public static UserRegisterRequest of(
+            String subId,
+            String email,
+            String name,
+            String birth,
+            UserGender gender,
+            String thumbnail
+    ) {
+        return new UserRegisterRequest(subId, email, name, birth, gender, thumbnail);
     }
 }
diff --git a/core/core-api/src/main/java/com/nerd/favorite18/core/api/user/service/UserService.java b/core/core-api/src/main/java/com/nerd/favorite18/core/api/user/service/UserService.java
index 0c57f58..c6031d1 100644
--- a/core/core-api/src/main/java/com/nerd/favorite18/core/api/user/service/UserService.java
+++ b/core/core-api/src/main/java/com/nerd/favorite18/core/api/user/service/UserService.java
@@ -89,15 +89,16 @@ public UserDto saveUser(UserRegisterRequest request) {
      *
      * @param user 로그인 사용자 정보
      * @param request 변경할 닉네임
+     * @return 사용자 정보
      */
     @Transactional
-    public void updateNickname(UserDto user, UserUpdateNicknameRequest request) {
+    public UserDto updateNickname(UserDto user, UserUpdateNicknameRequest request) {
         User userEntity = userRepository.findFirstByIdAndStatusOrderByIdDesc(user.getId(), UserStatus.ACTIVE)
                 .orElseThrow(() -> new CoreApiException(ErrorType.USER_NOT_FOUND));
 
         userEntity.updateNickname(request.getNickname());
 
-        userRepository.save(userEntity);
+        return userConverter.toDtoWithoutToken(userRepository.save(userEntity));
     }
 
     /**
diff --git a/storage/db-core/src/main/java/com/nerd/favorite18/storage/db/core/user/entity/User.java b/storage/db-core/src/main/java/com/nerd/favorite18/storage/db/core/user/entity/User.java
index b8ecb9a..0c7d455 100644
--- a/storage/db-core/src/main/java/com/nerd/favorite18/storage/db/core/user/entity/User.java
+++ b/storage/db-core/src/main/java/com/nerd/favorite18/storage/db/core/user/entity/User.java
@@ -23,11 +23,11 @@
 @NoArgsConstructor(access = AccessLevel.PROTECTED)
 public class User extends BaseEntity {
     @Comment("사용자 ID : provider_sub")
-    @Column(length = 100, nullable = false)
+    @Column(unique = true, length = 100, nullable = false)
     private String subId;
 
     @Comment("사용자 이메일")
-    @Column(length = 50, nullable = false)
+    @Column(unique = true, length = 50, nullable = false)
     private String email;
 
     @Comment("사용자 이름")