+
+
+\vfill\eject
+\directlua{luatexja.jfont.register_vert_replace{
+ ['あ']='い', %[',']=false, ['.']='ゐ',
+}}
+%\def\T{[KozMinPr6N-Regular.otf]}
+\def\T{SourceHanSerif-Regular}
+%\def\T{[ipaexm.ttf]}
+%\def\T{[HiraMinProN-W3.otf]}
+\jfont\X=\T:jfm=ujis;language=latn;script=latn
+\tfont\V=\T:jfm=ujisv;+vert;jpotf;language=latn;script=latn
+\tfont\VM=\T:jfm=ujisv;+vert;language=latn;script=latn
+
+\noindent
+\def\ts{\char"301Dあ\char"301Dあ「」あ\char"301Eあ\char"301F%
+ ---“あああ,あああ.”}
+\vbox{\yoko\X\hsize=20\zw\ts}\vadjust{\vskip.5\baselineskip}\\
+\vbox{\tate\V\hsize=20\zw\ts}\quad
+\vbox{\tate\VM\hsize=20\zw\ts}
+