Artistoyama yasunaga336

[Oyama Yasunaga] Onnakyoushi Choukyou - Woman Teacher Training

[Oyama Yasunaga] Onnakyoushi Choukyou - Woman Teacher Training [Chinese]

[Anthology] Ryoujoku Gakkou Vol. 18 Chikan Kyoushitsu [Chinese]

COMIC Bazooka 2010-10

[Oyama Yasunaga] Saimin Dorei ~Semarikuru Gifu no Inbou (4~6 Set) [Digital]

COMIC Magnum Vol. 41

[Oyama Yasunaga] Fuufu Koukan Game -Shumatsuu no Inen- | 夫婦交姦性遊戲 -終末的淫宴- [Chinese]

COMIC Ananga Ranga Vol. 54

COMIC Ananga Ranga Vol. 80

HiME-Mania Vol. 16

Comic Mate 2008-02

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

COMIC Magnum Vol. 22

[Anthology] Kindan Kanin Vol. 18 Boshi Kanin [Chinese]

Men's Gold 2017-05 [Digital]

(CR36) [Koutarou With T (Koutarou, Oyama Yasunaga, Tecchan)] Girl Power Vol. 19 (Various)

HiME-Mania Vol. 40

Ananga Ranga Vol. 92

[Oyama Yasunaga] Fuufu Koukan Game ―Shumatsuu no Inen― [Digital]

COMIC Magnum Vol. 34

Men's Gold 2017-02

HiME-Mania Vol. 10

[Anthology] Hatsujou Kanbo Shimai - Sadistic Bondage Love

[Oyama Yasunaga] Shoujo Hatsutaiken Relay

[Oyama Yasunaga] Kyonyuu Ichiban Shibori