diff --git a/model/CHANGELOG.md b/model/CHANGELOG.md
index 50fc76c..c1ed2a4 100644
--- a/model/CHANGELOG.md
+++ b/model/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 3.4.0
+
+* Add `MockOgHrefClient.advance` for building responding content with different content type applied.
+
 ## 3.3.4
 
 * Restrict `MockOgHrefClient` accepted requesting `GET` and `HEAD` method.
diff --git a/model/lib/src/client/mock_client.dart b/model/lib/src/client/mock_client.dart
index 9e547b9..0e9e5ad 100644
--- a/model/lib/src/client/mock_client.dart
+++ b/model/lib/src/client/mock_client.dart
@@ -190,7 +190,7 @@ final class MockOgHrefClient extends BaseClient
   /// * [MockOgHrefClient.quick] : Quick builder version of [MockOgHrefClient]
   ///   that [Uri]s are mapping with [String] content with unified
   ///   content type.
-  MockOgHrefClient(Map<Uri, MockOgHrefClientContent> contentLinker,
+  MockOgHrefClient.advance(Map<Uri, MockOgHrefClientContent> contentLinker,
       {String errorContentType = _PLAIN_TEXT_MIME}) {
     if (contentLinker.keys.any((element) => !_isHttpScheme(element))) {
       throw ArgumentError(
@@ -235,14 +235,19 @@ final class MockOgHrefClient extends BaseClient
   /// [contentType] which uses `text/plain` as default.
   ///
   /// For setting [contentLinker] without identical [contentType],
-  /// please uses [MockOgHrefClient.new] instead.
-  factory MockOgHrefClient.quick(Map<Uri, String> contentLinker,
-      {String contentType}) = _QuickMockOgHrefClient;
+  /// please uses [MockOgHrefClient.advance] instead.
+  factory MockOgHrefClient(Map<Uri, String> contentLinker,
+      {String contentType = _PLAIN_TEXT_MIME}) {
+    return MockOgHrefClient.advance({
+      for (var MapEntry(key: url, value: body) in contentLinker.entries)
+        url: MockOgHrefClientContent(content: body, contentType: contentType)
+    });
+  }
 
   /// Uses [sample files](https://github.com/rk0cc/oghref/tree/main/model/sample) to defined
   /// content of the simulated HTML files with hosted IP address as `127.0.0.2` with `HTTPS`
   /// protocol.
-  factory MockOgHrefClient.usesSample() => _QuickMockOgHrefClient(<Uri, String>{
+  factory MockOgHrefClient.usesSample() => MockOgHrefClient(<Uri, String>{
         for (int idx = 0; idx < _sampleContents.length; idx++)
           _sampleMockHost.resolve("${idx + 1}.html"): _sampleContents[idx]
       });
@@ -264,13 +269,3 @@ final class MockOgHrefClient extends BaseClient
     return _c.send(request).timeout(Duration(seconds: OgHrefClient.timeoutAt));
   }
 }
-
-final class _QuickMockOgHrefClient extends MockOgHrefClient {
-  _QuickMockOgHrefClient(Map<Uri, String> contentLinker,
-      {String contentType = "text/plain"})
-      : super({
-          for (var MapEntry(key: url, value: body) in contentLinker.entries)
-            url:
-                MockOgHrefClientContent(content: body, contentType: contentType)
-        });
-}
diff --git a/model/pubspec.yaml b/model/pubspec.yaml
index 1148d56..e5bc71b 100644
--- a/model/pubspec.yaml
+++ b/model/pubspec.yaml
@@ -1,6 +1,6 @@
 name: oghref_model
 description: Object standarized definition with parser interface for constructing rich information of given URL among various metadata protocols.
-version: 3.3.4
+version: 3.4.0
 repository: https://github.com/rk0cc/oghref/tree/main/model
 issue_tracker: https://github.com/rk0cc/oghref/issues
 funding: