diff --git a/integration_test/browser_keep_test.dart b/integration_test/browser_keep_test.dart
new file mode 100644
index 0000000..97ff79e
--- /dev/null
+++ b/integration_test/browser_keep_test.dart
@@ -0,0 +1,82 @@
+import 'dart:io';
+
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:integration_test/integration_test.dart';
+import 'package:jj_mkvmaker/app/app_controller.dart';
+import 'package:jj_mkvmaker/app/bookmarks_controller.dart';
+import 'package:jj_mkvmaker/app/download_manager.dart';
+import 'package:jj_mkvmaker/platform/windows/desktop_storage_service.dart';
+import 'package:jj_mkvmaker/platform/windows/process_media_tool.dart';
+import 'package:jj_mkvmaker/services/platform_services.dart';
+import 'package:jj_mkvmaker/ui/browser_page.dart';
+import 'package:path/path.dart' as p;
+
+/// 실제 Edge(WebView2): MKV 화면 ↔ 브라우저를 여러 번 오가도 보던 페이지를 다시 읽지 않고 그대로 이어진다
+void main() {
+  IntegrationTestWidgetsFlutterBinding.ensureInitialized();
+
+  testWidgets('MKV 화면 ↔ 브라우저: 페이지 · 세션 유지', (tester) async {
+    var hits = 0;
+    final server = await HttpServer.bind(InternetAddress.loopbackIPv4, 0);
+    server.listen((req) async {
+      if (req.uri.path == '/page') hits++;
+      req.response
+        ..headers.contentType = ContentType.html
+        ..write('<html><head><meta charset="utf-8"><title>JJ 유지</title></head><body>유지</body></html>');
+      await req.response.close();
+    });
+    final url = 'http://127.0.0.1:${server.port}/page';
+    final dataDir = Directory.systemTemp.createTempSync('jj_keep_').path;
+
+    final c = AppController(PlatformServices(mediaTool: ProcessMediaTool('x', 'y'), storage: DesktopStorageService()));
+    c.settings
+      ..webViewDataDir = dataDir
+      ..homeUrl = url;
+    final bm = BookmarksController(p.join(dataDir, 'bm.json'));
+    final d = DownloadManager(backends: const [], settings: () => c.settings, readClipboard: () async => null);
+    final navKey = GlobalKey<NavigatorState>();
+
+    await tester.pumpWidget(MaterialApp(
+      navigatorKey: navKey,
+      navigatorObservers: [browserRouteObserver],
+      home: const Scaffold(body: Text('MKV 화면')),
+    ));
+    Future<void> wait(int ms) async {
+      await tester.runAsync(() => Future<void>.delayed(Duration(milliseconds: ms)));
+      await tester.pump();
+    }
+
+    String address() {
+      final f = find.byType(TextField);
+      return f.evaluate().isEmpty ? '' : tester.widget<TextField>(f.first).controller!.text;
+    }
+
+    // 브라우저를 열어 페이지를 읽는다
+    BrowserPage.open(navKey.currentState!, c: c, downloads: d, bookmarks: bm);
+    for (var i = 0; i < 100 && hits == 0; i++) {
+      await wait(100);
+    }
+    await wait(1000);
+    expect(hits, 1);
+
+    for (var round = 1; round <= 3; round++) {
+      // MKV 화면으로 (브라우저 화면이 닫힌다) → 다시 브라우저
+      navKey.currentState!.popUntil((r) => r.isFirst);
+      for (var i = 0; i < 10; i++) {
+        await wait(100);
+      }
+      expect(find.text('MKV 화면'), findsOneWidget);
+      BrowserPage.open(navKey.currentState!, c: c, downloads: d, bookmarks: bm);
+      for (var i = 0; i < 25; i++) {
+        await wait(100);
+      }
+      // ignore: avoid_print
+      print('RESULT $round번째: 주소 ${address()} · 페이지 요청 $hits번 · 브라우저 ${find.byType(BrowserPage).evaluate().length} · '
+          '입력칸 ${find.byType(TextField).evaluate().length} · MKV ${find.text('MKV 화면').evaluate().length}');
+      expect(address(), url, reason: '$round번째: 보던 주소');
+      expect(hits, 1, reason: '$round번째: 페이지를 다시 읽지 않음 (같은 웹뷰)');
+    }
+    await server.close(force: true);
+  }, timeout: const Timeout(Duration(minutes: 3)));
+}
diff --git a/lib/ui/browser_page.dart b/lib/ui/browser_page.dart
index 69e6141..9e5b933 100644
--- a/lib/ui/browser_page.dart
+++ b/lib/ui/browser_page.dart
@@ -87,6 +87,13 @@ class BrowserPage extends StatefulWidget {
   /// 열려 있는 브라우저 화면 수
   static int _open = 0;
 
+  /// 마지막으로 보던 주소: MKV 화면으로 갔다가 브라우저를 다시 열면 홈이 아니라 이 주소로
+  static String? _lastUrl;
+
+  /// 앱 안 웹뷰를 화면이 닫혀도 살려 둔다 (다시 열면 보던 페이지 · 재생 위치 · 뒤로 가기 기록 그대로)
+  static final _keepAlive = InAppWebViewKeepAlive();
+  static bool _keepAliveUsed = false;
+
   /// 웹 브라우저로: 이미 열린 브라우저가 있으면 그 화면으로 돌아가고 (보던 페이지 그대로),
   /// 없으면 새로 연다. 다운로드 목록 · 플레이어 등에서 브라우저 버튼을 눌러도 보던 페이지를 잃지 않는다.
   static Future<void> open(NavigatorState nav,
@@ -107,7 +114,7 @@ class BrowserPage extends StatefulWidget {
 }
 
 class _BrowserPageState extends State<BrowserPage> with RouteAware {
-  late String _url = widget.initialUrl ?? widget.c.settings.homeUrl;
+  late String _url = widget.initialUrl ?? BrowserPage._lastUrl ?? widget.c.settings.homeUrl;
   String _title = '';
   double _progress = 1;
   bool _hasVideo = false, _canBack = false, _canFwd = false, _panel = false;
@@ -123,6 +130,7 @@ class _BrowserPageState extends State<BrowserPage> with RouteAware {
   late final BrowserHost _host = BrowserHost(
     onUrl: (u) {
       if (!mounted || u.isEmpty) return;
+      BrowserPage._lastUrl = u;
       setState(() => _url = u);
       if (!_addressFocus.hasFocus) _address.text = u;
     },
@@ -160,6 +168,12 @@ class _BrowserPageState extends State<BrowserPage> with RouteAware {
     _nav?.pauseMedia();
   }
 
+  /// MKV 화면 등으로 가며 브라우저 화면이 닫힌다: 살려 둔 웹뷰에서 소리만 나지 않게 멈춘다
+  @override
+  void didPop() {
+    _nav?.pauseMedia();
+  }
+
   @override
   void dispose() {
     browserRouteObserver.unsubscribe(this);
@@ -449,6 +463,24 @@ Future<WebViewEnvironment?> _createEnvironment(String dir) async {
 }
 
 class _EdgeViewState extends State<_EdgeView> {
+  /// 살려 둔 웹뷰를 이 화면이 쓰는지 (브라우저 화면은 하나뿐이지만, 혹시 둘이면 둘째는 새 웹뷰)
+  InAppWebViewKeepAlive? _keepAlive;
+
+  @override
+  void initState() {
+    super.initState();
+    if (!BrowserPage._keepAliveUsed) {
+      BrowserPage._keepAliveUsed = true;
+      _keepAlive = BrowserPage._keepAlive;
+    }
+  }
+
+  @override
+  void dispose() {
+    if (_keepAlive != null) BrowserPage._keepAliveUsed = false;
+    super.dispose();
+  }
+
   @override
   Widget build(BuildContext context) => FutureBuilder<WebViewEnvironment?>(
         future: browserEnvironment(widget.dataDir),
@@ -472,6 +504,7 @@ class _EdgeViewState extends State<_EdgeView> {
           }
 
           return InAppWebView(
+            keepAlive: _keepAlive,
             webViewEnvironment: snap.data,
             initialUrlRequest: URLRequest(url: WebUri(normalizeAddress(widget.initialUrl))),
             initialSettings: InAppWebViewSettings(
@@ -479,7 +512,15 @@ class _EdgeViewState extends State<_EdgeView> {
               mediaPlaybackRequiresUserGesture: false,
               supportMultipleWindows: false,
             ),
-            onWebViewCreated: (c) => h.attach(_InAppNav(c, snap.data, widget.dataDir)),
+            onWebViewCreated: (c) async {
+              h.attach(_InAppNav(c, snap.data, widget.dataDir));
+              // 살려 둔 웹뷰를 다시 붙였으면 보던 주소 · 제목 · 뒤로 가기 상태를 다시 알린다
+              final u = await c.getUrl();
+              if (u != null) h.onUrl(u.toString());
+              final t = await c.getTitle();
+              if (t != null) h.onTitle(t);
+              await check(c);
+            },
             onLoadStart: (c, u) {
               h.onUrl(u?.toString() ?? '');
               h.onVideo(false);