Young Champion Retsu Vol.07 (2007-07-25 Zoukangou)
30-Sai Imouto
[Matsuyama Seiji] Onegai ♥ Anna-Sensei
Gender Bender Into Sexy Medical Examination! You said that you were only going to look... 1
Gender Bender Into Sexy Medical Examination! You said that you were only going to look... 2
[Matsuyama Seiji] Eiken Makaizou 2 (Eiken) [Digital]
Young Comic 2009-01
[Matsuyama Seiji] Eiken Makaizou 3 (Eiken) [Digital]
[杯面] 堕.续 [中國語]
Gender Bender Into Sexy Medical Examination! You said that you were only going to look... 4
Young Champion Retsu Vol.03
[Seiji Matsuyama] Ura Eiken ZERO (Eiken)
[Matsuyama Hayate] Nyotaika de Ecchi Kenshin!? Mirudake tte Itta no ni... 6 [Digital]
[LOVE (Kawai Hideki)] Disappear (Death Note)
Eiken Makaizou 2
Otona no Eiken ~Shinonome Chiharu 26-sai~
(C81) [BOBCATERS (Hamon Ai, Matsuyama Seiji)] Yukiho Shinken (THE iDOLM@STER)
Gyanko no Hayaben Copy Bon deshou ga! | It's a book about Gyanko's pre-lunchtime bento!
[Inukai] 女体化桃太郎まとめ
[Matsuyama Seiji (Matsuyama Seiji)] Part no Misako-san Mune o Chirami Shite Kuru Shinjin-kun ni Fudeoroshi Shite Ageru no Ga o Suki
Cellular Control 12
The First Summer
お母さんいただきます。2 連載 P1-40
[Matsuyama Seiji] 50-sai no Haha ga Erosugite Nakadashi Sex o Shite Moratta Doutei no Boku. [English] [Fated Circle] [Digital]
Young Champion Retsu Vol.12 (2008-05-25 Zoukangou)
[Matsuyama Hayate] Gender Bender Into Sexy Medical Examination! You said that you were only going to look... 1 [English] [SachiKing] [Digital]
Otona no Eiken Kirika ~Chibukuro yori Ai o Komete~
(C92) [blind alley (Blind)] Mifune Miyu no Ahegao ga Mitai (THE IDOLM@STER CINDERELLA GIRLS)
[Yamamoto] Videl vs Spopovich (Dragon Ball Z) [English][Colorized][Ongoing]
Manga Bon 2012-12
(C85) [Matsuyama Seiji (Matsuyama Seiji)] Eiken Makaizou (Eiken) [Incomplete]
βLupi sample
Sexy Undercover Investigation! Don't spread it too much! Lewd TS Physical Examination Part 2
[Matsuyama Seiji] Eiken Rensai Kaishi 10-shuunen Kinen Bon Kaiteiban Sai (Eiken) [Digital]
I Have a Dream
Otona no Eiken
[Matsuyama Seiji] Oba x Boku - 41-sai Komochi no Shufu ga Doutei no Boku ni Tanomikomarete Shikatanaku...? Sex Shita Hanashi [Digital]
[anthology] Breath Special Tokushuu Loli-Shota
[Matsuyama Hayate] Nyotaika de Ecchi Kenshin!? Mirudake tte Itta no ni... 3 [Digital]
[Teruyo] 私たちの猥らな生活。
(C93) [Shounen Zoom (Juumaru Shigeru)] Manga Shounen Zoom Vol. 27
[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]
(C83) [Ponzu Ame (Amezawa Koma)] Himeko-chan ni Onegai desu 2 [Chinese] [Lolipoi汉化组]
[Matsuyama Seiji] Loli-gao de Kyonyuu na Okaa-san ga Boku no Hatsutaiken. [Digital]
[Matsuyama Hayate] Nyotaika de Ecchi Kenshin!? Mirudake tte Itta no ni... 4 [Digital]
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
Young Champion Retsu Vol.17
[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)
Onegai Anna Sensei by Seiji Matsuyama
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
Otona no Eiken 〜 Shinonome Chiharu 26-sai 〜
(C52) [Kaiten Sommelier (13.)] 3 Kaiten (Final Fantasy VII, Bishoujo Senshi Sailor Moon)
Tanomu to Sex Shite Kureru Yankee Onee-chan.
[Matsuyama Seiji] Yarashite Kureru Gal Onee-chan. [Digital]
Young Comic 2008-07
Young Comic 2008-09
Sexy Undercover Investigation! Don't spread it too much! Lewd TS Physical Examination
Gibo-san wa Tennen-mi 10
[Momoiro Kageboushi (Nazuna)] Wagaya no Loli Succubus [Digital]
使い捨てティッシュ
Seiji_Matsuyama-Onegai_Anna_Sensei (5-8) small ver.
Hajimete no Furin Onsen
Yarashite Kureru Gal Onee-chan.
Oppai Momu?
[Matsuyama Hayate] Nyotaika de Ecchi Kenshin!? Mirudake tte Itta no ni... 2 [Digital]
[Ribons Nights (Kyouno Aki)] Koisuru Matsuyama-san [Digital]