diff --git a/Spha/Spha/Views/Breathing/BreathingMainView.swift b/Spha/Spha/Views/Breathing/BreathingMainView.swift
index 9e03b7f..9879681 100644
--- a/Spha/Spha/Views/Breathing/BreathingMainView.swift
+++ b/Spha/Spha/Views/Breathing/BreathingMainView.swift
@@ -10,35 +10,49 @@ import SwiftUI
 struct BreathingMainView<BreathViewModel>: View where BreathViewModel: BreathingManager {
     @EnvironmentObject var router: RouterManager
     @ObservedObject private var viewModel: BreathViewModel
-
+    @State private var showOutro = false
+    
     init(breathManager: BreathViewModel) {
         self.viewModel = breathManager
     }
 
     var body: some View {
-        VStack {
-            MultiMP4PlayerView(videoNames: BreathingPhase.boxBreathingSequence)
-                .allowsHitTesting(false) 
-                .frame(width: 300, height: 300)
-                .padding(.top, 164)
-
-            if viewModel.showTimer {
-                Text("\(Int(viewModel.timerCount))")
-                    .font(.title)
-                    .foregroundColor(.white)
-                    .padding(.top, 10)
-                    .transition(.opacity)
+        ZStack {
+            VStack {
+                RoundedRectangle(cornerRadius: 8)
+                    .frame(width: 80, height: 2)
+                    .padding(.top, 16)
+                
+                MultiMP4PlayerView(videoNames: BreathingPhase.boxBreathingSequence)
+                    .allowsHitTesting(false)
+                    .frame(width: 300, height: 300)
+                    .padding(.top, 164)
+                
+                if viewModel.showTimer {
+                    Text("\(Int(viewModel.timerCount))")
+                        .font(.title)
+                        .foregroundColor(.white)
+                        .padding(.top, 10)
+                        .transition(.opacity)
+                }
+                
+                Spacer()
+                
+                if viewModel.showText && viewModel.activeCircle < 2 {
+                    Text(viewModel.phaseText)
+                        .customFont(.body_0)
+                        .foregroundColor(.gray0)
+                        .padding(.bottom, 153)
+                        .transition(.opacity)
+                }
             }
             
-            Spacer()
-            
-            if viewModel.showText && viewModel.activeCircle < 2 {
-                Text(viewModel.phaseText)
-                    .customFont(.body_0)
-                    .foregroundColor(.gray0)
-                    .padding(.bottom, 153)
-                    .transition(.opacity)
+            if showOutro {
+                BreathingOutroView()
+                    .transition(.opacity) // 페이드 효과
+                    .zIndex(1) // 항상 최상위에 위치
             }
+            
         }
         .toolbar {
             ToolbarItem(placement: .navigationBarLeading) {
@@ -66,7 +80,9 @@ struct BreathingMainView<BreathViewModel>: View where BreathViewModel: Breathing
         }
         .onChange(of: viewModel.isBreathingCompleted) { oldValue, newValue in
             if !newValue { return }
-            router.push(view: .breathingOutroView)
+            showOutro = true
+            // dismiss() // BreathingMainView를 내림
+            // router.push(view: .breathingOutroView)
         }
     }
 }
diff --git a/Spha/Spha/Views/Breathing/BreathingOutroView.swift b/Spha/Spha/Views/Breathing/BreathingOutroView.swift
index 8b0e65f..38ce0b0 100644
--- a/Spha/Spha/Views/Breathing/BreathingOutroView.swift
+++ b/Spha/Spha/Views/Breathing/BreathingOutroView.swift
@@ -9,6 +9,7 @@ import SwiftUI
 
 struct BreathingOutroView: View {
     @EnvironmentObject var router: RouterManager
+    @Environment(\.dismiss) var dismiss
     @StateObject private var viewModel = BreathingOutroViewModel()
 
     var body: some View {
@@ -30,7 +31,7 @@ struct BreathingOutroView: View {
         }
         .onAppear {
             viewModel.fadeOutAnimation {
-                router.backToMain()
+                dismiss()
             }
             viewModel.recordTestMindfulSession()
         }
diff --git a/Spha/Spha/Views/Home/MainView.swift b/Spha/Spha/Views/Home/MainView.swift
index 75746f4..8fff53e 100644
--- a/Spha/Spha/Views/Home/MainView.swift
+++ b/Spha/Spha/Views/Home/MainView.swift
@@ -6,6 +6,7 @@ struct MainView: View {
     
     @State private var introOpacity = 0.0
     @State private var isFirstLaunch: Bool = !UserDefaults.standard.bool(forKey: "hasLaunchedBefore")
+    @State private var isBreathingViewPresented = false
     
     var body: some View {
         ZStack {
@@ -114,7 +115,8 @@ struct MainView: View {
                 Spacer()
                 
                 Button {
-                    viewModel.startBreathingIntro(router: router)
+                    isBreathingViewPresented.toggle()
+                    
                 } label: {
                     // 임시 버튼 라벨
                     Image("mainButton")
@@ -133,28 +135,16 @@ struct MainView: View {
                     .transition(.opacity) // 페이드 효과
                     .zIndex(1) // 항상 최상위에 위치
             }
-            
-            // BreathingIntroView 오버레이 뷰
-            if viewModel.showBreathingIntro {
-                Color.black
-                    .opacity(viewModel.breathingIntroOpacity)
-                    .edgesIgnoringSafeArea(.all)
-                    .transition(.opacity) // Fade-in
-            }
         }
+        .sheet(isPresented: $isBreathingViewPresented) {
+            BreathingMainView(breathManager: BreathingMainViewModel())
+        }
+        
         .onAppear {
-            // Notification을 관찰하여 상태 초기화
-            NotificationCenter.default.addObserver(forName: RouterManager.backToMainNotification, object: nil, queue: .main) { _ in
-                viewModel.resetBreathingIntro()
-            }
-            
             if !isFirstLaunch {
                 viewModel.updateTodayRecord()
             }
         }
-        .onDisappear {
-            NotificationCenter.default.removeObserver(self, name: RouterManager.backToMainNotification, object: nil)
-        }
         .onChange(of: self.isFirstLaunch) { oldValue, newValue in
             viewModel.updateTodayRecord()
         }