Young Champion Retsu Vol.16
Onegai Anna Sensei by Seiji Matsuyama
Eiken Rensai Kaishi 10-shuunen Kinen Bon Kaiteiban Sai
[Matsuyama Seiji] Onegai Makoto Sensei (Space Battleship Yamato 2199) [Digital]
Young Comic 2008-07
Seiji_Matsuyama-Onegai_Anna_Sensei (5-8) small ver.
Sexy Undercover Investigation! Don't spread it too much! Lewd TS Physical Examination Part 2
The Pollinic Girls Attack Vol2 - Ch8
[Matsuyama Seiji] Tanomu to Sex Shite Kureru Boku no Yankee Onee-chan. [English] [Digital]
[Bousou!! Fuhatsu-dan (Takai Biki)] TEHON (Hand Maid May)
(CR26) [Paradise City (various)] Tabeta Kigasuru 45 (Angelic Layer, Card Captor Sakura)
Manga Bon 2012-09
Young Comic 2009-01
Young Champion Retsu Vol.08 (2007-09-30 Zoukangou)
(C80) [Shoujo Kishidan (Oyari Ashito)] LURICOMPLEX +Paper (Ore no Imouto ga Konna ni Kawaii Wake ga Nai)
Gobunnoichi
Young Champion Retsu Vol.03
Young Comic 2009-01
(C92) [IRODORI (SOYOSOYO)] Sokosoko Isogashii Sentaichou no Tokubetsuna Ichinichi (Full Metal Panic!) [Chinese] [脸肿汉化组]
Gender Bender Into Sexy Medical Examination! You said that you were only going to look... 3
[Matsuyama Seiji] Eiken Makaizou (Eiken) [English] [Mongolfier] [Digital] [Incomplete]
[Ryoh-zoh] Rarefure Ch. 1-6 [Chinese] [粵語]
(C59) [BLACK DOG (Kuroinu Juu)] GREEN DAY (Bishoujo Senshi Sailor Moon) [English]
[zen9] Yacchae! Megumi-san | Do it! Megumi-san Ch 1-6
Young Comic 2008-10
[Enemakura] "Nukinuki no Mi" no Nouryokusha 5 - Shinshou Seishounen Juujigun (One Piece)
[杯面] 堕.续 [中國語]
Young Champion Retsu Vol.12 (2008-05-25 Zoukangou)
Himitsu no Koibito
(Reitaisai 5) [Sonna hi no koto. (Various)] Uppun Harasu Hon. (Touhou Project)
[Homuhomu Seisakujo (Igakino Agenasu)] Kuuko to Mahiro-san ni Ippai Ecchi na Koto o Sarechatta node Sono Ichibushijuu o Mitekudasai (Haiyore! Nyaruko-san) [Digital]
[Matsuyama Seiji] Kinjo no Chuugakusei no Otokonoko ga Watashi no Mune o Chirachira Mite kuru node... Sex o Shite ageta Hanashi. [Digital]
[Matsuyama Hayate] Nyotaika de Ecchi Kenshin!? Mirudake tte Itta no ni... 3 [Digital]
[e] G3 Hizou File 01
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
Kurai Ie
Manga Bon 2012-06
Young Comic 2008-08
(C81) [BOBCATERS (Hamon Ai, Matsuyama Seiji)] Yukiho Shinken (THE iDOLM@STER) [English] [Tigoris Translates]
Little My Maid-first half-
(COMITIA120) [ANCHOR (Mutou Mato)] Hanjuku Fuufu no Toaru Kyuujitsu [Chinese] [萝莉援助汉化组]
[Matsuyama Hayate] Nyotaika de Ecchi Kenshin!? Mirudake tte Itta no ni... 6 [Digital]
[Matsuyama Seiji] Azusa-san ga Ore no Yome de Eiken Mitai na Chou Bakunyuu dattara (THE iDOLM@STER) [Digital]
Gender Bender Into Sexy Medical Examination! You said that you were only going to look... 4
Musuko wa Ore de Yokujou Suru
[Matsuyama Hayate] Nyotaika de Ecchi Kenshin!? Mirudake tte Itta no ni... 2 [Digital]
[Matsuyama Seiji (Matsuyama Seiji)] Oppai Momu? [Digital]
[Heppoko Youchien] nemurenu yoru ni suna otoko (Ashita no Nadja)
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
Onegai Anna Sensei New Chapters
[Matsuyama Seiji] Misoji Idol Takahashi Reiko-san no Yawarakai Oppai de Kyousha (THE IDOLM@STER CINDERELLA GIRLS) [Digital]
[Matsuyama Seiji] Eiken Makaizou 4 (Eiken) [Digital]
Part no Misako-san Mune o Chirami Shite Kuru Shinjin-kun ni Fudeoroshi Shite Ageru no Ga o Suki
DisSpa!!! Ukemi-chan no Hajimete no Spanking Oshiri Penpen
Young Comic 2008-12
Yarashite Kureru Gal Onee-chan.
Young Champion Retsu Vol.11 (2008-03-30 Zoukangou)
Eiken Adult Kirika ~With Love From the Milk Bags~
[Teruyo] 私たちの猥らな生活。
Otoko no Risou wa Sex Dekiru Okaa-san
[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)
Oppai Momu?
Young Comic 2008-09
[Matsuyama Hayate] Nyotaika de Ecchi Kenshin!? Mirudake tte Itta no ni... 1 [Digital]
Young Champion Retsu Vol.07 (2007-07-25 Zoukangou)
(C81) [BOBCATERS (Hamon Ai, Matsuyama Seiji)] Yukiho Shinken (THE iDOLM@STER)
(C85) [Matsuyama Seiji (Matsuyama Seiji)] Eiken Makaizou (Eiken) [Incomplete]
[Matsuyama Hayate] Nyotaika de Ecchi Kenshin!? Mirudake tte Itta no ni... 5 [Digital]
Otona no Zokusei Late2015