[Seiji Matsuyama] Bukkake Vol. 01
Young Comic 2008-08
Young Champion Retsu Vol.16
[Kitamatsuya] Netori Mama Kanjuku Dorian no Yuuwaku (Boku no Hero Academia)
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
Henshin!? Sukekomassu!! Soushuuhen
[Tamatsuyada, Satou Kimiatsu] Energy Kyo-ka!! ~Bakunyuu JK. Gachi Zeme Hatsujou Chuu!~ [English] [Digital]
[Matsuyama Seiji] Eiken Makaizou (Eiken) [English] [Mongolfier] [Digital] [Incomplete]
Gender Bender Into Sexy Medical Examination! You said that you were only going to look... 3
Oppai Momu?
Energy Kyo-ka!! ~Bakunyuu JK. Gachi Zeme Hatsujou Chuu!~ Ch. 1-7
Onegai Anna Sensei by Seiji Matsuyama
[Matsuyama Seiji] Tanomu to Sex Shite Kureru Boku no Yankee Onee-chan. [English] [Digital]
[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 de... Icchau no?
(C85) [Spermation (Tamatsuyada, Satou Kimiatsu)] Energy Kyo-ka!! Soushuuhen 3 MajiIki Hen
COMIC Shitsurakuten 2016-10
寝取られお姉さん7
Sexy Undercover Investigation! Don't spread it too much! Lewd TS Physical Examination Part 2
COMIC Shitsurakuten 2017-07
[LOVE (Kawai Hideki)] Disappear (Death Note)
(Mimiket 7) [Yoshinoya Matsuya (various)] DOGBOYS
Young Comic 2009-07
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
Nyotaika de Ecchi Kenshin!? Mirudake tte Itta no ni... 5
(C81) [BOBCATERS (Hamon Ai, Matsuyama Seiji)] Yukiho Shinken (THE iDOLM@STER)
Manga Bon 2012-12
COMIC X-EROS #25
[Tamatsuyada, Satou Kimiatsu] Energy Kyo-ka!! ~Bakunyuu JK. Gachi Zeme Hatsujou Chuu!~ Omata de Nukarete Okuchi de Gokugoku? Yuujou to Fukujuu no Semen Gourmet Match!? [English] [Mongolfier]
Yarashite Kureru Yankee no Mama
COMIC X-EROS #30
Yourtoy
[anthology] Breath Special Tokushuu Loli-Shota
[Kuroneko Smith] Oba-san no Karada ga Kimochi Yosugiru kara ~Boku no Oba-san wa Chou Meiki datta~ | 阿姨令人垂涎三尺身體 ~她的小穴是最舒服的~ [Chinese] [TMOS个人汉化]
Iiko Iikoto Kimochi Iikoto | 好孩子舒服的事欲罢不能的事情
Manga Bon 2012-06
てるさんおいしいです!
Eiken Makaizou 2
Gender Bender Into Sexy Medical Examination! You said that you were only going to look... 4
[Matsuyama Seiji] Otona no Eiken ~Shinonome Chiharu 26-sai~ (Eiken) [Digital]
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
COMIC X-EROS #21
Young Champion Retsu Vol.03
Onegai Anna Sensei New Chapters
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
[Tamatsuyada, Satou Kimiatsu] Energy Kyo-ka!! ~Bakunyuu JK. Gachizeme Hatsujouchuu!~ Botsuraku shita Houjou-ke! Donzoko Shoukan no Fukkatsu o Kake, Mama no Nuginugo Gokuraku Service!? [Digital]
[Matsuyama Seiji] Eiken Rare Illust-shuu (Eiken) [Digital]
Zenra Eiken
56-sai Bust 256cm Danchizuma Ookiku Tareta Jukujo no Chibusa... Boku wa Kono Hito de Doutei o Sotsugyou Shita.
Sexy Undercover Investigation! Don't spread it too much! Lewd TS Physical Examination Part 1
Gender Bender Into Sexy Medical Examination! You said that you were only going to look... 1
[Matsuyama Seiji] 50-sai no Haha ga Erosugite Nakadashi Sex o Shite Moratta Doutei no Boku. [English] [Fated Circle] [Digital]
Otona no Eiken
[Matsuyama Seiji] Otona no Eiken Kirika ~Chibukuro yori Ai o Komete~ (Eiken) [Digital]
[Matsuyama Hayate] Dokushin Ryou no Hame rare Omocha ~ Osoujichuu ni Guchi ~yogu choshi naide…! [Kanzenban]
[Tamatsuyada, Satou Kimiatsu] Energy Kyo-ka ~Bakunyuu JK. Gachizeme Hatsujouchuu~ Botsuraku shita Houjou-ke Donzoko Shoukan no Fukkatsu o Kake, Mama no Nuginugo Gokuraku Service [Digital][English]
[Matsuyama Seiji (Matsuyama Seiji)] Part no Misako-san Mune o Chirami Shite Kuru Shinjin-kun ni Fudeoroshi Shite Ageru no Ga o Suki
[Teruyo] 私たちの猥らな生活。
Young Champion Retsu Vol.06
[Matsuyama Seiji] Oba x Boku - 41-sai Komochi no Shufu ga Doutei no Boku ni Tanomikomarete Shikatanaku...? Sex Shita Hanashi [Digital]
Nyotaika de Ecchi Kenshin!? Mirudake tte Itta no ni... 2 | Gender Bender Into Sexy Medical Examination! You said that you were only going to look... 2
[Matsuyama Hayate] Nyotaika de Ecchi Kenshin!? Mirudake tte Itta no ni... 4 [Digital]
[Matsuyama Seiji] Otona no Eiken Kirika ~Chibukuro yori Ai o Komete~ | Eiken Adult Kirika ~With Love From the Milk Bags~ (Eiken) [English] [Digital]
(C81) [BOBCATERS (Hamon Ai, Matsuyama Seiji)] Yukiho Shinken (THE iDOLM@STER) [English] [Tigoris Translates]
(C89) [spermation (Tamatsuyada, Satou Kimiatsu)] Energy Kyo-ka Soushuuhen "Gaisen Fukki Hen"
Young Champion Retsu Vol.17
[Tamatsuyada, Satou Kimiatsu] Energy Kyo-ka!! ~Bakunyuu JK. Gachizeme Hatsujouchuu!~ EX02: Choujou EroWres "Leona vs Sherry"! Sokushaku Fresh Dirty Ranbu!! [Digital]
(C91) [Matsuyama Seiji] Ura Eiken ZERO Remake (Eiken)
COMIC X-EROS #30
[Tamatsuyada, Satou Kimiatsu] Energy Kyo-ka!! ~Bakunyuu JK. Gachi Zeme Hatsujou Chuu!~ Ch. 2-4 [English] [Digital]
Energy Kyo-ka!! ~Bakunyuu JK. Gachi Zeme Hatsujou Chuu!~ Ch. 1
Young Champion Retsu Vol.15
(C85) [Spermation (Tamatsuyada, Satou Kimiatsu)] Energy Kyo-ka!! Soushuuhen 2 Manguri Hen
[Tamatsuyada, Satou Kimiatsu] Energy Kyo-ka!! ~Bakunyuu JK. Gachi Zeme Hatsujou Chuu!~ Omata de Nukarete Okuchi de Gokugoku? Yuujou to Fukujuu no Semen Gourmet Match!?
[Matsuyama Hayate] Nyotaika de Ecchi Kenshin!? Mirudake tte Itta no ni... 1 [Digital]
[Matsuyama Hayate, Hitotsuki Katagiri] Sexy Undercover Investigation! Don't spread it too much! Lewd TS Physical Examination
(C88) [Spermation (Tamatsuyada)] Henshin!? Sukekomassu!! Soushuuhen 3 "China Bokan" Hen
December.24
(C85) [Spermation (Tamatsuyada, Satou Kimiatsu)] Energy Kyo-ka!! Soushuuhen 1 NukiSuppo Hen ch.1 [English] =Krizalid=
[Tamatsuyada, Satou Kimiatsu] Henshin!? Sukekomas!! Dai 1-wa Inran Shota Zuki Satokura Manami <26-sai> no Baai [Digital]
[Teru] Chin Nii-chan [Chinese] [黑街汉化组]
[Matsuyama Seiji] Yarashite Kureru Gal Onee-chan. [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... 2
[Tamatsuyada, Satou Kimiatsu] Energy Kyo-ka!! ~Bakunyuu JK. Gachi Zeme Hatsujou Chuu!~ Ch. 2-5 [English] [Digital]
Yarashite Kureru Gal Onee-chan.
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
[MANA-KO] Cinderella Scandal
[Tamatsuyada, Satou Kimiatsu] Energy Kyo-ka!! ~Bakunyuu JK. Gachizeme Hatsujouchuu!~ EX02: Choujou EroWres "Leona vs Sherry"! Sokushaku Fresh Dirty Ranbu!! [English] [Wazawahi] [Digital]
Seiji Matsuyama Onegai Anna Senensei