Shiki Oni no Koku: Chuugoku-hen Series
Shiki Oni no Koku: Chuugoku-hen - Daiyonshou
Shiki Oni no Koku: Chuugoku-hen - Daisanshou
Shiki Oni no Koku: Chuugoku-hen - Dainishou
Shiki Oni no Koku: Chuugoku-hen - Daiisshou