diff --git a/ArcFormats/ArcMBL.cs b/ArcFormats/ArcMBL.cs
index a535f520..80b9c50d 100644
--- a/ArcFormats/ArcMBL.cs
+++ b/ArcFormats/ArcMBL.cs
@@ -142,7 +142,10 @@ namespace GameRes.Formats.Marble
 
         public static Dictionary<string, string> KnownKeys = new Dictionary<string, string> {
             { arcStrings.ArcDefault,    "" },
-            { "Chikatetsu Fuusa Jiken", "naze" }
+            { "Chikatetsu Fuusa Jiken", "naze" }, // 地下鉄封鎖事件
+            { "Eien no Owari ni",       "eientamasoft" }, // 永遠の終わりに
+            { "Sakura Machizaka Stories vol.1", "sakura桜" }, // 桜待坂Stories vol.1
+            { "Trouble Succubus",       "とらぶるサッキュバス-0928-2007" }, // とらぶるサッキュバス
         };
 
         public override Stream OpenEntry (ArcFile arc, Entry entry)
diff --git a/ArcFormats/WidgetMBL.xaml b/ArcFormats/WidgetMBL.xaml
index 1ca9e3b3..e0b8e447 100644
--- a/ArcFormats/WidgetMBL.xaml
+++ b/ArcFormats/WidgetMBL.xaml
@@ -8,7 +8,7 @@
         <RowDefinition/>
         <RowDefinition/>
     </Grid.RowDefinitions>
-    <ComboBox Name="EncScheme" Grid.Row="0" Margin="0,3,0,0" Width="160" HorizontalAlignment="Right"
+    <ComboBox Name="EncScheme" Grid.Row="0" Margin="0,3,0,0" Width="180" HorizontalAlignment="Right"
               ItemsSource="{Binding Source={x:Static m:MblOpener.KnownKeys}, Mode=OneWay}"
               DisplayMemberPath="Key" SelectedValuePath="Value"
               SelectedValue="{Binding ElementName=PassPhrase, Path=Text, Mode=TwoWay}"/>