[Matsuyama Seiji] 50-sai no Haha ga Erosugite Nakadashi Sex o Shite moratta Doutei no Boku [Digital]
[Seiji Matsuyama] Ura Eiken ZERO (Eiken)
[Matsuyama Seiji] Eiken Rensai Kaishi 10-shuunen Kinen Bon Kaiteiban Sai (Eiken) [Digital]
[Matsuyama Seiji] Eiken Makaizou 2 (Eiken) [Digital]
[Haitoku Sensei] Dono Mama ga Suki? ~Okada-ke no Baai~ | Which Mom is Your Favorite? [The Crimson Star TL].
(C77) [Zenra Restaurant (Heriyama)] Zenra Restaurant no Restaurant (Kaidan Restaurant)
[Aura Seiji] Bijutsushitsu e oide yo!
[Aura Seiji] Gakuen Maria
[Aura Seiji] Momoiro Cocktail
[Aura Seiji] Kindan no Seibo