[Matsuyama Seiji] Misoji Idol Takahashi Reiko-san no Yawarakai Oppai de Kyousha (THE IDOLM@STER CINDERELLA GIRLS) [Digital]
[Matsuyama Seiji] Eiken Makaizou (Eiken) [English] [Mongolfier] [Digital] [Incomplete]
[Matsuyama Seiji] Eiken Makaizou 3 (Eiken) [Digital]
[Matsuyama Seiji] Eiken Makaizou 2 (Eiken) [Digital]
Oppai ni Kao o Uzumete Toshi o Kosu
[Matsuyama Seiji (Matsuyama Seiji)] Oppai Momu? [Digital]
[Matsuyama Seiji] Eiken Makaizou 4 (Eiken) [Digital]
(C67) [Cho-jin Hakaba, Yojouhan Toshi (LA-MEN, Sawatari Hitoshi)] Tenchigaeshi!
[Matsuyama Seiji] Eiken Makaizou (Eiken) [Digital]
[Kaoru System (Morishita Kaoru, Hanai Kaoru, Suzuki Ganma)] Signorina (Tobe Isami, Magic Knight Rayearth, Romeo's Blue Skies)