[Kio Seiji] Nyan Nyan Time [2010-06-24] Hentai [きお誠児] 娘娘タイム [2010-06-24]

[Matsuyama Seiji] Azusa-san ga Ore no Yome de Eiken Mitai na Chou Bakunyuu dattara (THE iDOLM@STER) [Digital]

[Matsuyama Seiji] Kinjo no Chuugakusei no Otokonoko ga Watashi no Mune o Chirachira Mite kuru node... Sex o Shite ageta Hanashi. [Digital]

[Matsuyama Seiji] Eiken Makaizou (Eiken) [Digital]

[Matsuyama Seiji] Eiken Makaizou 3 (Eiken) [Digital]

(FF32) [Nyanyahouse (Nyanyakun)] Trapped Inside The Temple (ELSWORD) [Chinese]

[Matsuyama Seiji] 50-sai no Haha ga Erosugite Nakadashi Sex o Shite moratta Doutei no Boku [Digital]

(COMIC1☆2) [Shigunyan, Soyoking (Shigunyan, Soyoki)] Nyan Nyan Daisakusen (VOCALOID) [English] [Zeus777]

[Matsuyama Seiji (Matsuyama Seiji)] Oppai Momu? [Digital]

[Matsuyama Seiji] Otona no Zokusei Late2015 [Digital]

[Matsuyama Seiji] Eiken Makaizou (Eiken) [English] [Mongolfier] [Digital] [Incomplete]