Himitsu no Koibito
[Matsuyama Seiji] Oba x Boku - 41-sai Komochi no Shufu ga Doutei no Boku ni Tanomikomarete Shikatanaku...? Sex Shita Hanashi [Digital]
Young Champion Retsu Vol.11 (2008-03-30 Zoukangou)
Young Comic 2009-07
Nyotaika de Ecchi Kenshin!? Mirudake tte Itta no ni... 3 | Gender Bender Into Sexy Medical Examination! You said that you were only going to look... 3
Oppai de... Icchau no?
[Matsuyama Hayate] Nyotaika de Ecchi Kenshin!? Mirudake tte Itta no ni... 3 [Digital]
50-sai Bakunyuu Hitozuma Kounenki de Heikei shite Ninshin shinaku natta node... Nakadashi SEX Shihoudai.
Otona no Eiken 〜 Shinonome Chiharu 26-sai 〜
Otoko no Risou wa Sex Dekiru Okaa-san
Part no Misako-san Mune o Chirami Shite Kuru Shinjin-kun ni Fudeoroshi Shite Ageru no Ga o Suki
[MANA-KO] Cinderella Scandal
Gender Bender Into Sexy Medical Examination! You said that you were only going to look... 4
(C81) [BOBCATERS (Hamon Ai, Matsuyama Seiji)] Yukiho Shinken (THE iDOLM@STER) [English] [Tigoris Translates]
[e] G3 Hizou File 01
Gender Bender Into Sexy Medical Examination! You said that you were only going to look... 3
[Seiji Matsuyama] Bukkake Vol. 01
[Matsuyama Seiji] Otona no Eiken Kirika ~Chibukuro yori Ai o Komete~ | Eiken Adult Kirika ~With Love From the Milk Bags~ (Eiken) [English] [Digital]
Kuesutobodo, lewd demons and pleasure spells
Eiken Adult Kirika ~With Love From the Milk Bags~
(C92) [IRODORI (SOYOSOYO)] Sokosoko Isogashii Sentaichou no Tokubetsuna Ichinichi (Full Metal Panic!) [Chinese] [脸肿汉化组]
[Matsuyama Seiji] Eiken Makaizou (Eiken) [English] [Mongolfier] [Digital] [Incomplete]
[Ribons Nights (Kyouno Aki)] Koisuru Matsuyama-san [Digital]
[Homuhomu Seisakujo (Igakino Agenasu)] Kuuko to Mahiro-san ni Ippai Ecchi na Koto o Sarechatta node Sono Ichibushijuu o Mitekudasai (Haiyore! Nyaruko-san) [Digital]
Young Champion Retsu Vol.07 (2007-07-25 Zoukangou)
Gender Bender Into Sexy Medical Examination! You said that you were only going to look... 1
Young Champion Retsu Vol.10 (2008-01-25 Zoukangou)
Otona no Eiken
[LOVE (Kawai Hideki)] Disappear (Death Note)
[Matsuyama Seiji] Otona no Zokusei Late2015 [Digital]
Kari Gokko
Eiken Makaizou 2
[Matsuyama Hayate] Nyotaika de Ecchi Kenshin!? Mirudake tte Itta no ni... 6 [Digital]
Osu! 08 Drag Driver
Eiken Makaizou 3
[Matsuyama Seiji] Kinjo no Chuugakusei no Otokonoko ga Watashi no Mune o Chirachira Mite kuru node... Sex o Shite ageta Hanashi. [Digital]
56-sai Bust 256cm Danchizuma Ookiku Tareta Jukujo no Chibusa... Boku wa Kono Hito de Doutei o Sotsugyou Shita.
Young Champion Retsu Vol.03
50-sai no Haha ga Erosugite Nakadashi Sex o Shite moratta Doutei no Boku
Young Champion Retsu Vol.15
Young Comic 2008-12
Young Champion Retsu Vol.17
[杯面] 堕.续 [中國語]
[Matsuyama Seiji (Matsuyama Seiji)] Oppai Momu? [Digital]
Young Champion Retsu Vol.08 (2007-09-30 Zoukangou)
Young Champion Retsu Vol.05
Broken Doll
(C85) [Matsuyama Seiji (Matsuyama Seiji)] Eiken Makaizou (Eiken) [Incomplete]
Manga Bon 2012-12
(SC53) [Pallet Box (Haga Yuu)] Astarotte wa Omocha (Lotte no Omocha!)
Young Champion Retsu Vol.12 (2008-05-25 Zoukangou)
(C80) [BooBooKid (PIP)] Aki to Mikage ni Iroiro Shitemita. (Yu-Gi-Oh! 5D's) [Chinese] [正人君子路过汉化]
Zenra Eiken
[Takatsu] Hitozuma A-san to Musuko no Yuujin N-kun - Married wife A and son's friend N-kun [Chinese] [罗洁爱儿个人汉化]
Gobunnoichi
Lovers
Sexy Undercover Investigation! Don't spread it too much! Lewd TS Physical Examination
[Matsuyama Seiji] Misoji Idol Takahashi Reiko-san no Yawarakai Oppai de Kyousha (THE IDOLM@STER CINDERELLA GIRLS) [Digital]
(CR26) [Paradise City (various)] Tabeta Kigasuru 45 (Angelic Layer, Card Captor Sakura)
Young Comic 2008-07
Yarashite Kureru Gal Onee-chan.
The Pollinic Girls Attack Vol2 - Ch8
Giten Ikenie Fujin ~Hikou Kaika ~
[ピロシキ帝国(ンモ=エザゴ)] 生徒会長が食っちゃ寝を繰り返したら牛になったって本当ですか!?(白猫プロジェクト)
[zen9] Yacchae! Megumi-san | Do it! Megumi-san Ch 1-6
Manga Bon 2012-09
[Matsuyama Seiji] Onegai ♥ Anna-Sensei
Young Champion Retsu Vol.02
Musuko wa Ore de Yokujou Suru
[Matsuyama Seiji] Otona no Eiken Kirika ~Chibukuro yori Ai o Komete~ (Eiken) [Digital]
[Matsuyama Seiji] Eiken Makaizou (Eiken) [Digital]
[Matsuyama Seiji] Eiken Rensai Kaishi 10-shuunen Kinen Bon Kaiteiban Sai (Eiken) [Digital]
Hajimete no Furin Onsen
[Matsuyama Seiji] Eiken Makaizou 2 (Eiken) [Digital]
[Matsuyama Seiji] Azusa-san ga Ore no Yome de Eiken Mitai na Chou Bakunyuu dattara (THE iDOLM@STER) [Digital]
DisSpa!!! Ukemi-chan no Hajimete no Spanking Oshiri Penpen
(C81) [BOBCATERS (Hamon Ai, Matsuyama Seiji)] Yukiho Shinken (THE iDOLM@STER)
Young Champion Retsu Vol.16
Eiken Rare Illust-shuu
ゆかマキふたなり本
(COMITIA120) [ANCHOR (Mutou Mato)] Hanjuku Fuufu no Toaru Kyuujitsu [Chinese] [萝莉援助汉化组]
Gender Bender Into Sexy Medical Examination! You said that you were only going to look... 2
Eiken Rensai Kaishi 10-shuunen Kinen Bon Kaiteiban Sai
[Matsuyama Seiji] Eiken Makaizou 3 (Eiken) [Digital]
Young Champion Retsu Vol.06
Nyotaika de Ecchi Kenshin!? Mirudake tte Itta no ni... 4 | Gender Bender Into Sexy Medical Examination! You said that you were only going to look... 4
Young Comic 2008-10
Seiji Matsuyama Onegai Anna Senensei
Young Champion Retsu Vol.09
[Matsuyama Seiji (Matsuyama Seiji)] Part no Misako-san Mune o Chirami Shite Kuru Shinjin-kun ni Fudeoroshi Shite Ageru no Ga o Suki
[Ryoh-zoh] Rarefure Ch. 1-6 [Chinese] [粵語]
Kinjo no Chuugakusei no Otokonoko ga Watashi no Mune o Chirachira Mite kuru node... Sex o Shite ageta Hanashi.
Manga Bon 2012-06
Nyotaika de Ecchi Kenshin!? Mirudake tte Itta no ni... 1 | Gender Bender Into Sexy Medical Examination! You said that you were only going to look... 1