[Oyama Yasunaga] Oyama Yasunaga Jisen Kessaku Shuu [Digital]
(C63) [Okinawa Taieki Gunjinkai (Yasunaga Kouichirou)] Piano Lesson (The Big O) [English] [biribiri]
(CR29) [Okinawa Taieki Gunjinkai (Yasunaga Kouichirou)] Akuma ga Kitarite Koshi o Furu (Devilman) [Chinese] [超能汉化组]
[Oyama Yasunaga] Fuufu Koukan Game | 夫婦交姦性遊戲 [Chinese]
[Oyama Yasunaga] Fuufu Koukan Game -Shumatsuu no Inen- | 夫婦交姦性遊戲 -終末的淫宴- [Chinese]
[Oyama Yasunaga] Etsuraku no Shima [Chinese]
[Oyama Yasunaga] Gesu Dakeshika Inai Machi
(CR36) [Koutarou With T (Koutarou, Oyama Yasunaga, Tecchan)] Girl Power Vol. 19 (Various)
[Oyama Yasunaga] Off-Pako! Otome ga Shoujo o Ushinau Hi [Digital]
[Oyama Yasunaga] Bukkake [Digital]
(C67) [Okinawa Taieki Gunjinkai (Yasunaga Kouichirou)] Eroika (Kaleido Star)
[Oyama Yasunaga] Eggu ~Chou Ero Gal Shijou Shugi~ [Digital]
[Oyama Yasunaga] Ingoku Gakuen [Digital]
(COMIC1☆4) [Okinawa Taieki Gunjinkai (Yasunaga Kouichirou)] Yarudora - Otsukare Sampaguita hen (Toradora!) [Chinese] [随手汉了个化]
(C63) [Comic Kingdom (Koyama Unkaku, Oyama Yasunaga, Tecchan)] Orange Road Sex (Kimagure Orange Road)
[Oyama Yasunaga] Bitch ~ Nousatsu Geki Erogyaru Zukan ~ [Digital]
[Oyama Yasunaga] Saimin Dorei ~Semarikuru Gifu no Inbou (7~8 Set) [Digital]
[Oyama Yasunaga] Saimin Dorei ~Semarikuru Gifu no Inbou (4~6 Set) [Digital]
[Oyama Yasunaga] Shakkin Shoujo Dorei [Digital]
[Oyama Yasunaga] Saimin Dorei ~Semarikuru Gifu no Inbou (1~3 Set) [Digital]
[Oyama Yasunaga] Saimin Dorei ~Semarikuru Gifu no Inbou (3) [Digital]
[Oyama Yasunaga] Saimin Dorei ~Semarikuru Gifu no Inbou (2) [Digital]
(C82) [Okinawa Taieki Gunjinkai (Yasunaga Kouichirou)] Kamogawa Hyper Chargers (Rinne no Lagrange)
[Oyama Yasunaga] Shachiku Joshi Kabushiki Gaisha [Digital]
[Oyama Yasunaga] Gokukan Website [English] [Manga Reborn] [Digital]
[Oyama Yasunaga] Gokukan Website [Digital]
[Oyama Yasunaga] Ryoujoku Shihai [Digital]
[Oyama Yasunaga] Saimin Dorei ~Semarikuru Gifu no Inbou (1) [Digital]
[Oyama Yasunaga] Fuufu Koukan Game -Shumatsuu no Inen- [Chinese]
[Oyama Yasunaga] Fuufu Koukan Game [Chinese]
[Oyama Yasunaga] Yarippanashi 100 Renpatsu!
[Akiba Maou (Akiha@, Ikegami Ryouichi, Oyama Yasunaga, Tecchan)] Senshadou no Musumetachi ga Hiwai na Bitch ni Shiagarimashita (Girls und Panzer) [Digital]
(CR36) [Okinawa Taieki Gunjinkai (Yasunaga Kouichirou)] Eroika. (Kaleido Star)
(CSP4) [Okinawa Taieki Gunjinkai (Yasunaga Kouichirou)] Sora Kara Koboreta Sugoi Shiru (Kaleido Star)
(C65) [Okinawa Taieki Gunjinkai (Yasunaga Kouichirou)] Dokodemo♪ Friend (SEX FRIEND)
[Okinawa Taieki Gunjinkai (Yasunaga Kouichirou)] Yuriika. (Kaleido Star)
[Oyama Yasunaga] Goukan Eigakan
[Oyama Yasunaga] Nukeru Karada
(C73) [Okinawa Taieki Gunjinkai (Yasunaga Kouichirou)] Fujioka Haruhi to Ecchi o shiyou. 03 (Ouran High School Host Club) [English] [SaHa]
(C63) [Okinawa Taieki Gunjinkai (Yasunaga Kouichirou)] Piano Lesson (The Big O)
(COMIC1☆4) [Okinawa Taieki Gunjinkai (Yasunaga Kouichirou)] Yarudora - Otsukare Sampaguita hen (Toradora!)
(C78) [Okinawa Taieki Gunjinkai (Yasunaga Kouichirou)] Occult Q (Occult Academy)
(C79) [Okinawa Taieki Gunjinkai (Yasunaga Kouichirou)] SNAKEY x MONKEY (Bakemonogatari)
[Oyama Yasunaga] Slave Rape
(C77) [Okinawa Taieki Gunjinkai (Yasunaga Kouichirou)] Mega × Dora! 02 (Toradora!)
[Oyama Yasunaga] Shoujo Hatsutaiken Relay
(C70) [Okinawa Taieki Gunjinkai (Yasunaga Kouichirou)] Fujioka Haruhi to Ecchi Oshiyou. (Ouran High School Host Club)
(C73) [Okinawa Taieki Gunjinkai (Yasunaga Kouichirou)] Fujioka Haruhi to Ecchi Oshiyou. 03 (Ouran High School Host Club)
(C71) [Okinawa Taieki Gunjinkai (Yasunaga Kouichirou)] Maihama Vice (Zegapain)
(SC33) [Okinawa Taieki Gunjinkai (Yasunaga Kouichirou)] Fujioka Haruhi to Ecchi Oshiyou. 02 (Ouran High School Host Club)
(C58) [Okinawa Taieki Gunjinkai (Yasunaga Kouichirou)] Shimai Zaka - Sister Slope (Kizuato)
[Oyama Yasunaga] Shoujo Idol Goukan
(C65) [Okinawa Taieki Gunjinkai (Yasunaga Kouichirou)] Grand Canyon no Sugoi Yuri (Kaleido Star)
[Oyama Yasunaga] Chitsunai Renzoku Chuunyuu
[Oyama Yasunaga] Kichiku Kazoku
[Oyama Yasunaga] Puff Puff Parfait
[Oyama Yasunaga] Seifuku Shoujo Jiru
[Oyama Yasunaga] Joshikousei Rinkan
[Oyama Yasunaga] Dokkin Clinic
[Oyama Yasunaga] Oyaman
[Oyama Yasunaga] Costume Play Magician
[Oyama Yasunaga] Yarippanashi Hyakurenpatsu
[Oyama Yasunaga] Iyarashii Hanashi
[Oyama Yasunaga] Nupu Nupu Nuppun
[Oyama Yasunaga] Seifuku Shojo Tengoku
[Oyama Yasunaga] Seiyoku Shori Kyoushitsu
[Oyama Yasunaga] Moeyo Boinken!
(C57) [Okinawa Taieki Gunjinkai (Yasunaga Kouichirou)] Onna Darake no Okinawa Summit (Various)
[Oyama Yasunaga] Oyako Choukyou Houmon | Mother Daughter Training Visit
[Oyama Yasunaga] Gesu dake shika Inai Machi [Chinese]
(C74) [Okinawa Taieki Gunjinkai (Yasunaga Kouichirou)] Tome to Ojousama (Nijuu Mensou no Musume)
(SC33) [Okinawa Taieki Gunjinkai (Yasunaga Kouichirou)] Fujioka Haruhi to Ecchi o Shiyou. 02 (Ouran High School Host Club) [English] [SMDC]
[Oyama Yasunaga] Fuufu Koukan Game ―Shumatsuu no Inen― [Digital]
[Oyama Yasunaga] Fuufu Koukan Game [Digital]
[Oyama Yasunaga] Etsuraku no Shima [Digital]
[Oyama Yasunaga] Kyonyuu Ichiban Shibori
(C66) [Koutarou With T (Koutarou, Oyama Yasunaga, Tecchan)] GIRL POWER Vol.18 (Dead or Alive)
[Okinawa Taieki Gunjinkai (Yasunaga Kouichirou)] Tenkaichi dare ga Lum-chan da Taikai (Urusei Yatsura)
(CR29) [Okinawa Taieki Gunjinkai (Yasunaga Kouichirou)] Akuma ga Kitarite Koshi o Furu (Devilman)
[Oyama Yasunaga] Kahanshin Jugyou - Teaching About the Lower Half of the Body
[Okinawa Taieki Gunjinkai(Yasunaga Kouichirou)] Chichi mo tsubasa mo horidashite
[Okinawa Taieki Gunjinkai(Yasunaga Kouichirou)] Suika ha kawa ga sukerumade
(CR28) [Okinawa Taieki Gunjinkai (Yasunaga Kouichirou)] Konna Onna to Sounantte Mitai (ToHeart)
(C61) [Koutarou With T (Koutarou, Oyama Yasunaga, Tecchan)] GIRL POWER Vol.9 (Dirty Pair)
[Okinawa Taieki Gunjinkai (Yasunaga Kouichirou)] Hand Maid Fuhai (Hand Maid May)
(C64) [Koutarou with T (Koutarou, Tecchan, Oyama Yasunaga etc] GIRL POWER Vol.14 (Air Master)
[Oyama Yasunaga] Shakkin Nikudorei
[Oyama Yasunaga] Kozukuri Seitokai ~ Suki na Joshi ni Dashi Houdai! ~ [Chinese]
(C68) [Koutarou With T (Koutarou, Oyama Yasunaga, Tecchan)] GIRL POWER vol.21 (Various)
(COMIC1☆4) [Okinawa Taieki Gunjinkai (Yasunaga Kouichirou)] Yarudora - Otsukare Sampaguita hen (Toradora!) [English] =TV=
[Oyama Yasunaga] Ikenai Q-PIT
(CR33) [Okinawa Taieki Gunjinkai (Yasunaga Kouichirou)] Neko no Ishu-gaeshi (The Cat Returns)
(C70) [Okinawa Taieki Gunjinkai (Yasunaga Kouichirou)] Futakoi Challenge (Futakoi Alternative)
[Okinawa Taieki Gunjinkai (Yasunaga Kouichirou)] Suman Nou Nagase-san (ToHeart)
[Oyama Yasunaga] Working Angels
[Oyama Yasunaga] Kageki Ryoujoku!! | An excessive rape!!
[Oyama Yasunaga] Onnakyoushi Choukyou - Woman Teacher Training
(CR32) [Okinawa Taieki Gunjinkai (Yasunaga Kouichirou)] Nagisa no Kedamono (MAID iN HEAVEN)
(CR27) [Okinawa Taieki Gunjinkai (Yasunaga Kouichirou)] Issho ni Sounan Shitai Hito (ToHeart)
(C75) [Okinawa Taieki Gunjinkai (Yasunaga Kouichirou)] Dokuritsu Sakamoto Gurentai (Strike Witches)
(COMIC1☆3) [Okinawa Taieki Gunjinkai (Yasunaga Kouichirou)] Mega x Dora! (Toradora!)
(C73) [Okinawa Taieki Gunjinkai (Yasunaga Kouichirou)] Den-Noh Coil - Her Fist In My Hip (Dennou Coil)
(C50) [Okinawa Taieki Gunjinkai (Yasunaga Kouichirou)] Iinchou Tottemo Guai Ga Iinchou (Neon Genesis Evangelion)
(CR21) [Okinawa Taieki Gunjinkai (Yasunaga Kouichirou)] Motto Hazukashii NERV (Neon Genesis Evangelion)
[Oyama Yasunaga] Bakunyuu Gakuen -Bakunyuu School-
[Okinawa Taieki Gunjinkai (Yasunaga Kouichirou)] Senzo ha Hiaburi (Esper Mami)
[Okinawa Taieki Gunjinkai (Yasunaga Kouichirou)] Issho ni Sounan Shitai Hito (To Heart)
(CR37) [Okinawa Taieki Gunjinkai (Yasunaga Kouichirou)] Mai Shield 21 (Mai-HiME) [English] [Kusanyagi]
[Oyama Yasunaga] Kegasareta hitoduma nurunuru massage club
(CR35) [Okinawa Taieki Gunjinkai (Yasunaga Kouichirou)] Mou Hitotsu no Sugoi Yuri | Another Great Lesbian (Kaleidostar)
[Oyama Yasunaga] Seibo Inran
Oyama Yasunaga Jisen Kessaku Shuu
COMIC Ananga Ranga Vol. 42
COMIC Ananga Ranga Vol. 41
Magazine Cyberia Vol. 061
Magazine Cyberia Vol. 058
COMIC Ananga Ranga Vol. 35
Men's Gold 2018-05 [Digital]
COMIC Ananga Ranga Vol. 34
COMIC Ananga Ranga Vol. 33
COMIC Ananga Ranga Vol. 32
COMIC Ananga Ranga Vol. 30
Men's Gold 2017-11 [Digital]
Gaticomi Vol. 35
Gaticomi Vol. 39
Gaticomi Vol. 42
Gaticomi Vol. 44
Gaticomi Vol. 46
Gaticomi Vol. 55
Gaticomi Vol. 54