[Okinawa Taieki Gunjinkai (Yasunaga Kouichirou)] Issho ni Sounan Shitai Hito (To Heart)
(C61) [Koutarou With T (Koutarou, Oyama Yasunaga, Tecchan)] GIRL POWER Vol.9 (Dirty Pair)
(C64) [Koutarou with T (Koutarou, Tecchan, Oyama Yasunaga etc] GIRL POWER Vol.14 (Air Master)
Magazine Cyberia Vol. 095 [Digital]
[Anthology] Dangerous Love Vol. 5
(C57) [Okinawa Taieki Gunjinkai (Yasunaga Kouichirou)] Onna Darake no Okinawa Summit (Various)
Comic Magnum Vol.15 [Digital]
[Oyama Yasunaga] Ryoujoku Shihai [Digital]
COMIC Magnum Vol. 34
COMIC Ananga Ranga Vol. 81
COMIC Ananga Ranga Vol. 25
COMIC Ananga Ranga Vol. 26
Gokukan Website
[Oyama Yasunaga] Ingoku Gakuen [Digital]
[Oyama Yasunaga] Saimin Dorei ~Semarikuru Gifu no Inbou (1~3 Set) [Digital]
COMIC MILK PURIN 2013-05
COMIC Ananga Ranga Vol. 22
(CR33) [Okinawa Taieki Gunjinkai (Yasunaga Kouichirou)] Neko no Ishu-gaeshi (The Cat Returns)
[Oyama Yasunaga] Shachiku Joshi Kabushiki Gaisha [Digital]
COMIC Ananga Ranga Vol. 73
[Oyama Yasunaga] Puff Puff Parfait
Comic Magnum Vol.22 [Digital]
(C74) [Okinawa Taieki Gunjinkai (Yasunaga Kouichirou)] Tome to Ojousama (Nijuu Mensou no Musume)
COMIC Magnum Vol. 50
(C82) [Okinawa Taieki Gunjinkai (Yasunaga Kouichirou)] Kamogawa Hyper Chargers (Rinne no Lagrange)
[Kaishou Nachi] Metamorph Trouble -Transformation Trouble-
[Oyama Yasunaga] Kageki Ryoujoku!! | An excessive rape!!
[Anthology] Kindan Kanin Vol. 12 Boshi Soukan [Chinese]
[Oyama Yasunaga] Ikenai Q-PIT
Gaticomi Vol. 46
[Oyama Yasunaga] Joshikousei Rinkan
COMIC Ananga Ranga Vol. 78
[Oyama Yasunaga] Kegasareta hitoduma nurunuru massage club
COMIC Magnum Vol. 39
Comic Lemon Club 1997-08
Men's Gold 2009-01
[Oyama Yasunaga] Moeyo Boinken!
COMIC Magnum Vol. 32
[Oyama Yasunaga] Gokukan Website [English] [Manga Reborn] [Digital]
COMIC Ananga Ranga Vol. 47
COMIC Ananga Ranga Vol. 77
COMIC Magnum Vol. 42
COMIC Magnum Vol. 24
COMIC Magnum Vol.31
Yuriika.
Gaticomi Vol.55
[Oyama Yasunaga] Onnakyoushi Choukyou - Woman Teacher Training
COMIC Ananga Ranga Vol. 11 [Digital]
Senzo ha Hiaburi
[Oyama Yasunaga] Saimin Dorei ~Semarikuru Gifu no Inbou (1) [Digital]
COMIC Magnum Vol. 45
COMIC Mate 1998-01
[Oyama Yasunaga] Saimin Dorei ~Semarikuru Gifu no Inbou (4~6 Set) [Digital]