diff --git a/NADA-iOS-forRelease.xcodeproj/project.pbxproj b/NADA-iOS-forRelease.xcodeproj/project.pbxproj
index 4a391f7b..1de35607 100644
--- a/NADA-iOS-forRelease.xcodeproj/project.pbxproj
+++ b/NADA-iOS-forRelease.xcodeproj/project.pbxproj
@@ -1369,7 +1369,7 @@
 				ASSETCATALOG_COMPILER_GLOBAL_ACCENT_COLOR_NAME = AccentColor;
 				CODE_SIGN_ENTITLEMENTS = "NADA-iOS-forRelease/NADA-iOS-forRelease.entitlements";
 				CODE_SIGN_STYLE = Automatic;
-				CURRENT_PROJECT_VERSION = 3;
+				CURRENT_PROJECT_VERSION = 4;
 				DEVELOPMENT_TEAM = T3VFJ764ZC;
 				INFOPLIST_FILE = "NADA-iOS-forRelease/Info.plist";
 				LD_RUNPATH_SEARCH_PATHS = (
@@ -1391,7 +1391,7 @@
 				ASSETCATALOG_COMPILER_GLOBAL_ACCENT_COLOR_NAME = AccentColor;
 				CODE_SIGN_ENTITLEMENTS = "NADA-iOS-forRelease/NADA-iOS-forRelease.entitlements";
 				CODE_SIGN_STYLE = Automatic;
-				CURRENT_PROJECT_VERSION = 3;
+				CURRENT_PROJECT_VERSION = 4;
 				DEVELOPMENT_TEAM = T3VFJ764ZC;
 				INFOPLIST_FILE = "NADA-iOS-forRelease/Info.plist";
 				LD_RUNPATH_SEARCH_PATHS = (
diff --git a/NADA-iOS-forRelease/Sources/NetworkModel/Card/CardCreationRequest.swift b/NADA-iOS-forRelease/Sources/NetworkModel/Card/CardCreationRequest.swift
index 43d12cde..0a8204ac 100644
--- a/NADA-iOS-forRelease/Sources/NetworkModel/Card/CardCreationRequest.swift
+++ b/NADA-iOS-forRelease/Sources/NetworkModel/Card/CardCreationRequest.swift
@@ -26,5 +26,5 @@ struct FrontCardDataModel: Codable {
 
 struct BackCardDataModel: Codable {
     let isMincho, isSoju, isBoomuk, isSauced: Bool
-    let firstTMI, secondTMI, thirdTMI: String
+    let oneTMI, twoTMI, threeTMI: String
 }
diff --git a/NADA-iOS-forRelease/Sources/NetworkService/Card/CardService.swift b/NADA-iOS-forRelease/Sources/NetworkService/Card/CardService.swift
index 131e0896..afc5d8a9 100644
--- a/NADA-iOS-forRelease/Sources/NetworkService/Card/CardService.swift
+++ b/NADA-iOS-forRelease/Sources/NetworkService/Card/CardService.swift
@@ -88,12 +88,12 @@ extension CardService: TargetType {
             multiPartData.append(MultipartFormData(provider: .data(isBoomukData), name: "card.isBoomuk"))
             let isSaucedData = Bool(request.backCard.isSauced).description.data(using: .utf8) ?? Data()
             multiPartData.append(MultipartFormData(provider: .data(isSaucedData), name: "card.isSauced"))
-            let firstTMI = request.backCard.firstTMI.data(using: .utf8) ?? Data()
-            multiPartData.append(MultipartFormData(provider: .data(firstTMI), name: "card.firstTMI"))
-            let secondTMI = request.backCard.secondTMI.data(using: .utf8) ?? Data()
-            multiPartData.append(MultipartFormData(provider: .data(secondTMI), name: "card.secondTMI"))
-            let thirdTMI = request.backCard.thirdTMI.data(using: .utf8) ?? Data()
-            multiPartData.append(MultipartFormData(provider: .data(thirdTMI), name: "card.thirdTMI"))
+            let oneTMI = request.backCard.oneTMI.data(using: .utf8) ?? Data()
+            multiPartData.append(MultipartFormData(provider: .data(oneTMI), name: "card.oneTmi"))
+            let twoTMI = request.backCard.twoTMI.data(using: .utf8) ?? Data()
+            multiPartData.append(MultipartFormData(provider: .data(twoTMI), name: "card.twoTmi"))
+            let threeTMI = request.backCard.threeTMI.data(using: .utf8) ?? Data()
+            multiPartData.append(MultipartFormData(provider: .data(threeTMI), name: "card.threeTmi"))
             
             let imageData = MultipartFormData(provider: .data(image.pngData() ?? Data()), name: "image", fileName: "image", mimeType: "image/png")
             multiPartData.append(imageData)
diff --git a/NADA-iOS-forRelease/Sources/ViewControllers/CardCreation/CardCreationPreviewViewController.swift b/NADA-iOS-forRelease/Sources/ViewControllers/CardCreation/CardCreationPreviewViewController.swift
index 75063c31..2e5fc0b3 100644
--- a/NADA-iOS-forRelease/Sources/ViewControllers/CardCreation/CardCreationPreviewViewController.swift
+++ b/NADA-iOS-forRelease/Sources/ViewControllers/CardCreation/CardCreationPreviewViewController.swift
@@ -149,9 +149,9 @@ extension CardCreationPreviewViewController {
                               backCardDataModel.isSoju,
                               backCardDataModel.isBoomuk,
                               backCardDataModel.isSauced,
-                              backCardDataModel.firstTMI,
-                              backCardDataModel.secondTMI,
-                              backCardDataModel.thirdTMI,
+                              backCardDataModel.oneTMI,
+                              backCardDataModel.twoTMI,
+                              backCardDataModel.threeTMI,
                               isShareable: isShareable)
             
             cardView.addSubview(backCard)
diff --git a/NADA-iOS-forRelease/Sources/ViewControllers/CardCreation/CardCreationViewController.swift b/NADA-iOS-forRelease/Sources/ViewControllers/CardCreation/CardCreationViewController.swift
index 840c6e9a..442c4064 100644
--- a/NADA-iOS-forRelease/Sources/ViewControllers/CardCreation/CardCreationViewController.swift
+++ b/NADA-iOS-forRelease/Sources/ViewControllers/CardCreation/CardCreationViewController.swift
@@ -350,9 +350,9 @@ extension CardCreationViewController: BackCardCreationDelegate {
                                      isSoju: requiredInfo["isSoju"] ?? false,
                                      isBoomuk: requiredInfo["isBoomuk"] ?? false,
                                      isSauced: requiredInfo["isSauced"] ?? false,
-                                     firstTMI: optionalInfo["firstTMI"] ?? "",
-                                     secondTMI: optionalInfo["secondTMI"] ?? "",
-                                     thirdTMI: optionalInfo["thirdTMI"] ?? "")
+                                     oneTMI: optionalInfo["firstTMI"] ?? "",
+                                     twoTMI: optionalInfo["secondTMI"] ?? "",
+                                     threeTMI: optionalInfo["thirdTMI"] ?? "")
     }
 }