Artist: Oyama Yasunaga

[Oyama Yasunaga] Kahanshin Jugyou - Teaching About the Lower Half of the Body

[Oyama Yasunaga] Shoujo Idol Goukan

(C61) [Koutarou With T (Various)] GIRL POWER Vol. 9 (Various)

(C64) [Koutarou with T (Koutarou, Tecchan, Oyama Yasunaga etc] GIRL POWER Vol.14 (Air Master)

[Oyama Yasunaga] Chitsunai Renzoku Chuunyuu

Men's Gold 2009-01

[Anthology] Kyoudai Renka

(story) After Lesson

(C63) [Comic Kingdom (Koyama Unkaku, Oyama Yasunaga, Tecchan)] Orange Road Sex (Kimagure Orange Road)

Comic Hime Dorobou 2006-09

Comic Mate 1999-12

Comic Lemon Club 1997-08

COMIC Himedorobow 2007-11

[Oyama Yasunaga] Working Angels

[Oyama Yasunaga] Seiyoku Shori Kyoushitsu

[Oyama Yasunaga] Seifuku Shoujo Jiru

[Oyama Yasunaga] Seifuku Shojo Tengoku

[Anthology] Hatsujou Kanbo Shimai - Sadistic Bondage Love

[Oyama Yasunaga] Puff Puff Parfait

[Oyama Yasunaga] Oyaman

[Oyama Yasunaga] Nupu Nupu Nuppun

[Oyama Yasunaga] Moeyo Boinken!

[Oyama Yasunaga] Kichiku Kazoku

[Oyama Yasunaga] Joshikousei Rinkan