diff --git a/test/reline/yamatanooroti/test_rendering.rb b/test/reline/yamatanooroti/test_rendering.rb
index e9f9ee66d2..1737b2ce04 100644
--- a/test/reline/yamatanooroti/test_rendering.rb
+++ b/test/reline/yamatanooroti/test_rendering.rb
@@ -89,7 +89,12 @@ def test_autowrap
     end
 
     def test_fullwidth
-      start_terminal(5, 30, %W{ruby -I#{@pwd}/lib #{@pwd}/test/reline/yamatanooroti/multiline_repl}, startup_message: 'Multiline REPL.')
+      unless Yamatanooroti.win? && Yamatanooroti.options.windows == :"legacy-conhost"
+        start_terminal(5, 30, %W{ruby -I#{@pwd}/lib #{@pwd}/test/reline/yamatanooroti/multiline_repl}, startup_message: 'Multiline REPL.')
+      else
+        start_terminal(5, 30, %W{ruby -I#{@pwd}/lib #{@pwd}/test/reline/yamatanooroti/multiline_repl}, startup_message: 'Multiline REPL.', codepage: 932)
+        omit "codepage 932 not supported" if !codepage_success?
+      end
       write(":あ\n")
       assert_screen(<<~EOC)
         Multiline REPL.
@@ -101,7 +106,12 @@ def test_fullwidth
     end
 
     def test_two_fullwidth
-      start_terminal(5, 30, %W{ruby -I#{@pwd}/lib #{@pwd}/test/reline/yamatanooroti/multiline_repl}, startup_message: 'Multiline REPL.')
+      unless Yamatanooroti.win? && Yamatanooroti.options.windows == :"legacy-conhost"
+        start_terminal(5, 30, %W{ruby -I#{@pwd}/lib #{@pwd}/test/reline/yamatanooroti/multiline_repl}, startup_message: 'Multiline REPL.')
+      else
+        start_terminal(5, 30, %W{ruby -I#{@pwd}/lib #{@pwd}/test/reline/yamatanooroti/multiline_repl}, startup_message: 'Multiline REPL.', codepage: 932)
+        omit "codepage 932 not supported" if !codepage_success?
+      end
       write(":あい\n")
       assert_screen(<<~EOC)
         Multiline REPL.
@@ -377,7 +387,12 @@ def test_clear_multiline_and_autowrap
     end
 
     def test_nearest_cursor
-      start_terminal(10, 20, %W{ruby -I#{@pwd}/lib #{@pwd}/test/reline/yamatanooroti/multiline_repl}, startup_message: 'Multiline REPL.')
+      unless Yamatanooroti.win? && Yamatanooroti.options.windows == :"legacy-conhost"
+        start_terminal(10, 20, %W{ruby -I#{@pwd}/lib #{@pwd}/test/reline/yamatanooroti/multiline_repl}, startup_message: 'Multiline REPL.')
+      else
+        start_terminal(10, 20, %W{ruby -I#{@pwd}/lib #{@pwd}/test/reline/yamatanooroti/multiline_repl}, startup_message: 'Multiline REPL.', codepage: 932)
+        omit "codepage 932 not supported" if !codepage_success?
+      end
       write("def ああ\n  :いい\nend\C-pbb\C-pcc")
       assert_screen(<<~EOC)
         Multiline REPL.
@@ -718,7 +733,12 @@ def test_auto_indent_when_inserting_line
     end
 
     def test_auto_indent_multibyte_insert_line
-      start_terminal(10, 30, %W{ruby -I#{@pwd}/lib #{@pwd}/test/reline/yamatanooroti/multiline_repl --auto-indent}, startup_message: 'Multiline REPL.')
+      unless Yamatanooroti.win? && Yamatanooroti.options.windows == :"legacy-conhost"
+        start_terminal(10, 30, %W{ruby -I#{@pwd}/lib #{@pwd}/test/reline/yamatanooroti/multiline_repl --auto-indent}, startup_message: 'Multiline REPL.')
+      else
+        start_terminal(10, 30, %W{ruby -I#{@pwd}/lib #{@pwd}/test/reline/yamatanooroti/multiline_repl --auto-indent}, startup_message: 'Multiline REPL.', codepage: 932)
+        omit "codepage 932 not supported" if !codepage_success?
+      end
       write "if true\n"
       write "あいうえお\n"
       4.times { write "\C-b\C-b\C-b\C-b\e\r" }
@@ -763,7 +783,12 @@ def test_suppress_auto_indent_just_after_pasted
     end
 
     def test_suppress_auto_indent_for_adding_newlines_in_pasting
-      start_terminal(5, 30, %W{ruby -I#{@pwd}/lib #{@pwd}/test/reline/yamatanooroti/multiline_repl --auto-indent}, startup_message: 'Multiline REPL.')
+      unless Yamatanooroti.win? && Yamatanooroti.options.windows == :"legacy-conhost"
+        start_terminal(5, 30, %W{ruby -I#{@pwd}/lib #{@pwd}/test/reline/yamatanooroti/multiline_repl --auto-indent}, startup_message: 'Multiline REPL.')
+      else
+        start_terminal(5, 30, %W{ruby -I#{@pwd}/lib #{@pwd}/test/reline/yamatanooroti/multiline_repl --auto-indent}, startup_message: 'Multiline REPL.', codepage: 932)
+        omit "codepage 932 not supported" if !codepage_success?
+      end
       write("<<~Q\n")
       write("{\n  #\n}")
       write("#")
@@ -854,7 +879,12 @@ def test_meta_key
     end
 
     def test_not_meta_key
-      start_terminal(5, 30, %W{ruby -I#{@pwd}/lib #{@pwd}/test/reline/yamatanooroti/multiline_repl}, startup_message: 'Multiline REPL.')
+      unless Yamatanooroti.win? && Yamatanooroti.options.windows == :"legacy-conhost"
+        start_terminal(5, 30, %W{ruby -I#{@pwd}/lib #{@pwd}/test/reline/yamatanooroti/multiline_repl}, startup_message: 'Multiline REPL.')
+      else
+        start_terminal(5, 30, %W{ruby -I#{@pwd}/lib #{@pwd}/test/reline/yamatanooroti/multiline_repl}, startup_message: 'Multiline REPL.', codepage: 932)
+        omit "codepage 932 not supported" if !codepage_success?
+      end
       write("おだんご") # "だ" in UTF-8 contains "\xA0"
       assert_screen(<<~EOC)
         Multiline REPL.
@@ -1220,12 +1250,15 @@ def test_simple_dialog_scrollbar_with_moving_to_left
 
     def test_dialog_with_fullwidth_chars
       ENV['RELINE_TEST_PROMPT'] = '> '
-      start_terminal(20, 5, %W{ruby -I#{@pwd}/lib #{@pwd}/test/reline/yamatanooroti/multiline_repl --dialog fullwidth,scrollkey,scrollbar}, startup_message: 'Multiline REPL.')
+      unless Yamatanooroti.win? && Yamatanooroti.options.windows == :"legacy-conhost"
+        start_terminal(20, 5, %W{ruby -I#{@pwd}/lib #{@pwd}/test/reline/yamatanooroti/multiline_repl --dialog fullwidth,scrollkey,scrollbar}, startup_message: 'Multiline REPL.')
+      else
+        start_terminal(20, 5, %W{ruby -I#{@pwd}/lib #{@pwd}/test/reline/yamatanooroti/multiline_repl --dialog fullwidth,scrollkey,scrollbar}, startup_message: 'Multiline REPL.', codepage: 932)
+        omit "codepage 932 not supported" if !codepage_success?
+      end
+      write("\C-l")
       6.times{ write('j') }
       assert_screen(<<~'EOC')
-        Multi
-        line
-        REPL.
         >
         オー
         グ言▄
@@ -1237,7 +1270,12 @@ def test_dialog_with_fullwidth_chars
 
     def test_dialog_with_fullwidth_chars_split
       ENV['RELINE_TEST_PROMPT'] = '> '
-      start_terminal(20, 6, %W{ruby -I#{@pwd}/lib #{@pwd}/test/reline/yamatanooroti/multiline_repl --dialog fullwidth,scrollkey,scrollbar}, startup_message: 'Multiline REPL.')
+      unless Yamatanooroti.win? && Yamatanooroti.options.windows == :"legacy-conhost"
+        start_terminal(20, 6, %W{ruby -I#{@pwd}/lib #{@pwd}/test/reline/yamatanooroti/multiline_repl --dialog fullwidth,scrollkey,scrollbar}, startup_message: 'Multiline REPL.')
+      else
+        start_terminal(20, 6, %W{ruby -I#{@pwd}/lib #{@pwd}/test/reline/yamatanooroti/multiline_repl --dialog fullwidth,scrollkey,scrollbar}, startup_message: 'Multiline REPL.', codepage: 932)
+        omit "codepage 932 not supported" if !codepage_success?
+      end
       6.times{ write('j') }
       assert_screen(<<~'EOC')
         Multil