Young Comic 2009-01
(C91) [Manga Super (Nekoi Mie)] DIE REI KAI (Occultic;Nine) [English] [Redlantern]
Renshuu nanode Daijoubu desu!
Yarashite Kureru Yankee no Mama
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
(C81) [BOBCATERS (Hamon Ai, Matsuyama Seiji)] Yukiho Shinken (THE iDOLM@STER)
Eiken Makaizou 2
[Matsuyama Seiji] Misoji Idol Takahashi Reiko-san no Yawarakai Oppai de Kyousha (THE IDOLM@STER CINDERELLA GIRLS) [Digital]
NKDC Vol. 10
[Matsuyama Seiji] Yarashite Kureru Yankee no Mama [Digital]
[Matsuyama Seiji] Eiken Makaizou 2 (Eiken) [Digital]
30-Sai Imouto
RETURN THE FAVOR
Young Champion Retsu Vol.12 (2008-05-25 Zoukangou)
Nyotaika de Ecchi Kenshin!? Mirudake tte Itta no ni... | 女體化後色情體檢!?說好只看不動手的呀… Ch.1-6
(CR20) [Sanketsushuu (Sanzui)] bakatte itte rurichan (Martian Successor Nadesico)
[anthology] Breath Special Tokushuu Loli-Shota
[MANA-KO] Cinderella Scandal
Young Champion Retsu Vol.07 (2007-07-25 Zoukangou)
[Matsuyama Seiji] Eiken Makaizou (Eiken) [English] [Mongolfier] [Digital] [Incomplete]
Kaede-san to Shota P no Ecchi na Hon
(C85) [Matsuyama Seiji (Matsuyama Seiji)] Eiken Makaizou (Eiken) [Incomplete]
[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]
[Matsuyama Seiji] Onegai ♥ Anna-Sensei
Eiken Adult Kirika ~With Love From the Milk Bags~
(C77) [JACK-POT (Jyura)] LOVE NENE (Love Plus) [English] [RyuuNoTamashii]
Otona no Eiken
Manga Bon 2012-09
Manga Bon 2012-12
Young Champion Retsu Vol.15
[Matsuyama Seiji] Tanomu to Sex Shite Kureru Boku no Yankee Onee-chan. [English] [Digital]
油库里 不可思议之国的爱丽丝(半生不熟汉化组)
(C91) [Koharumachi (Sawasaki)] Otona no Katyusha Nikki 2 (Girls und Panzer)
[Matsuyama Hayate, Hitotsuki Katagiri] Sexy Undercover Investigation! Don't spread it too much! Lewd TS Physical Examination
Seiji Matsuyama Onegai Anna Senensei
Otona no Eiken 〜 Shinonome Chiharu 26-sai 〜
[Harem (Mizuki Honey)] Sex Machine (One Piece)
Oppai Momu?
[Seiji Matsuyama] Bukkake Vol. 01
Young Champion Retsu Vol.14
[Matsuyama Hayate] Nyotaika de Ecchi Kenshin!? Mirudake tte Itta no ni... 2 [Digital]
Gender Bender Into Sexy Medical Examination! You said that you were only going to look... 1
(C88) [Nejikiri Sister (Hanemikakko)] Subterranean Sun Birthday (Touhou Project) [English] [A-Trans]
[Gensou Mikan (Kirimia)] Chaldea Kodomo Club (Fate/Grand Order) [Digital]
Young Comic 2008-10
Tanomu to Sex Shite Kureru Yankee Onee-chan.
(C75) [DIGITAL ACCEL WORKS (INAZUMA)] gRand theft samen four~ (Zettai Karen Children)
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
[Matsuyama Hayate] Dokushin Ryou no Hame rare Omocha ~ Osoujichuu ni Guchi ~yogu choshi naide…! [Kanzenban]
[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)
[Matsuyama Seiji] Onegai Makoto Sensei (Space Battleship Yamato 2199) [Digital]
DisSpa!!! Ukemi-chan no Hajimete no Spanking Oshiri Penpen
[Matsuyama Seiji] Otona no Eiken Kirika ~Chibukuro yori Ai o Komete~ | Eiken Adult Kirika ~With Love From the Milk Bags~ (Eiken) [English] [Digital]
[Matsuyama Seiji] 50-sai no Haha ga Erosugite Nakadashi Sex o Shite Moratta Doutei no Boku. [English] [Fated Circle] [Digital]
[Matsuyama Seiji] Kinjo no Chuugakusei no Otokonoko ga Watashi no Mune o Chirachira Mite kuru node... Sex o Shite ageta Hanashi. [Digital]
Sexy Undercover Investigation! Don't spread it too much! Lewd TS Physical Examination Part 1
Young Champion Retsu Vol.10 (2008-01-25 Zoukangou)
Young Champion Retsu Vol.06
Gensou Panic
Niizuma No Shuuchi Play
[Matsuyama Seiji] 50-sai no Haha ga Erosugite Nakadashi Sex o Shite moratta Doutei no Boku [Digital]
Otona no Eiken ~Shinonome Chiharu 26-sai~
Iiko Iikoto Kimochi Iikoto | 好孩子舒服的事欲罢不能的事情
Kinjo no Chuugakusei no Otokonoko ga Watashi no Mune o Chirachira Mite kuru node... Sex o Shite ageta Hanashi.
Gender Bender Into Sexy Medical Examination! You said that you were only going to look... 4
[Seiji Matsuyama] Ura Eiken ZERO (Eiken)
(C91) [Matsuyama Seiji] Ura Eiken ZERO Remake (Eiken)
Young Champion Retsu Vol.08 (2007-09-30 Zoukangou)
THE UNDER BOSS
[Matsuyama Seiji] Oba x Boku - 41-sai Komochi no Shufu ga Doutei no Boku ni Tanomikomarete Shikatanaku...? Sex Shita Hanashi [Digital]
[Matsuyama Seiji] Eiken Makaizou 3 (Eiken) [Digital]
Young Comic 2008-09
[(Yuu) Adashino Suisan (Isshi Taira)] Aquarium [Digital]
[Matsuyama Seiji] Otona no Zokusei Late2015 [Digital]