Young Champion Retsu Vol.14
Otona no Eiken ~Shinonome Chiharu 26-sai~
COMIC Shitsurakuten 2017-07
Young Comic 2008-12
[Tamatsuyada, Satou Kimiatsu] Energy Kyo-ka!! ~Bakunyuu JK. Gachizeme Hatsujouchuu!~ EX02: Choujou EroWres "Leona vs Sherry"! Sokushaku Fresh Dirty Ranbu!! [English] [Wazawahi] [Digital]
COMIC X-EROS #21
[Tamatsuyada, Satou Kimiatsu] Energy Kyo-ka!! ~Bakunyuu JK. Gachizeme Hatsujouchuu!~ Shinshou Kaimaku!? Zengo Mankitsu Jealousy 4P kara no Love Love Daienjou!? [Digital]
[Tamatsuyada, Satou Kimiatsu] Energy Kyo-ka!! Full Color Ban 01-03
COMIC X-EROS #25
[Matsuyama Seiji] Yarashite Kureru Gal Onee-chan. [Digital]
Young Comic 2009-01
Part no Misako-san Mune o Chirami Shite Kuru Shinjin-kun ni Fudeoroshi Shite Ageru no Ga o Suki
(C81) [BOBCATERS (Hamon Ai, Matsuyama Seiji)] Yukiho Shinken (THE iDOLM@STER)
[Tamatsuyada, Satou Kimiatsu] Henshin!? Sukekomas!! Dai 1-wa Inran Shota Zuki Satokura Manami <26-sai> no Baai [Digital]
Sexy Undercover Investigation! Don't spread it too much! Lewd TS Physical Examination Part 1
(C92) [Riff-Racket (Racket)] Shimatsuya-san to Beach Date (Phantasy Star Online 2)
Seiji_Matsuyama-Onegai_Anna_Sensei (5-8) small ver.
[Tamatsuyada, Satou Kimiatsu] Energy Kyo-ka!! ~Bakunyuu JK. Gachizeme Hatsujouchuu!~ Chou Pinch! Tonda Ero Bus Dai Shissou! Zenra Jousha de Nukitsu Nukaretsu!? [Digital]
Otona no Eiken Kirika ~Chibukuro yori Ai o Komete~
[Tamatsuyada, Satou Kimiatsu] Energy Kyo-ka!! ~Bakunyuu JK. Gachizeme Hatsujouchuu!~ Chou Pinch! Tonda Ero Bus Dai Shissou! Zenra Jousha de Nukitsu Nukaretsu!? [English] [Digital]
Iiko Iikoto Kimochi Iikoto | 好孩子舒服的事欲罢不能的事情
てるさんおいしいです!
[Ribons Nights (Kyouno Aki)] Koisuru Matsuyama-san [Digital]
Onegai Anna Sensei New Chapters
[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)
Young Comic 2008-08
50-sai no Haha ga Erosugite Nakadashi Sex o Shite moratta Doutei no Boku
[Tamatsuyada, Satou Kimiatsu] Henshin!? Sukekomas!! Dai 5 wa Amaku Fukuramu Banana no Kaori? Hanra de Yuuwaku Ikisugi Seihin Happyoukai!?! [Digital]
56-sai Bust 256cm Danchizuma Ookiku Tareta Jukujo no Chibusa... Boku wa Kono Hito de Doutei o Sotsugyou Shita.
Young Champion Retsu Vol.02
Young Champion Retsu Vol.11 (2008-03-30 Zoukangou)
Otona no Eiken 〜 Shinonome Chiharu 26-sai 〜
COMIC X-EROS #30
Eiken Makaizou 2
COMIC Shitsurakuten 2016-10
[Matsuyama Seiji] Otona no Eiken ~Shinonome Chiharu 26-sai~ (Eiken) [Digital]
COMIC Shitsurakuten 2016-10 [Digital]
[Seiji Matsuyama] Ura Eiken ZERO (Eiken)
[Matsuyama Hayate] Gender Bender Into Sexy Medical Examination! You said that you were only going to look... 1 [English] [SachiKing] [Digital]
[anthology] Breath Special Tokushuu Loli-Shota
Eiken Rare Illust-shuu
[Matsuyama Seiji (Matsuyama Seiji)] Oppai Momu? [Digital]
Gender Bender Into Sexy Medical Examination! You said that you were only going to look... 4
[Tamatsuyada, Satou Kimiatsu] Energy Kyo-ka!! ~Bakunyuu JK. Gachi Zeme Hatsujou Chuu!~ Ch. 2-5 [English] [Digital]
December.24
Young Champion Retsu Vol.04
[Matsuyama Seiji] Eiken Rare Illust-shuu (Eiken) [Digital]
[Matsuyama Seiji] Eiken Rensai Kaishi 10-shuunen Kinen Bon Kaiteiban Sai (Eiken) [Digital]
[Matsuyama Seiji] Eiken Makaizou (Eiken) [Digital]
Energy Kyo-ka!! ~Bakunyuu JK. Gachi Zeme Hatsujou Chuu!~ Ch. 1-7
Gender Bender Into Sexy Medical Examination! You said that you were only going to look... 3
[Tamatsuyada, Satou Kimiatsu] Henshin!? Sukekomas!! Dai 2-wa Cool de Do-M na Ganguro Musume Nagisa <24-sai> no Baai [Digital]
Energy Kyo-ka!! Soushuuhen 1 NukiSuppo Hen ch.1
Eiken Makaizou 3
[Kita Matsuya] Netorare Oneesan 6
[Tamatsuyada, Satou Kimiatsu] Energy Kyo-ka!! ~Bakunyuu JK. Gachizeme Hatsujouchuu!~ EX02: Choujou EroWres "Leona vs Sherry"! Sokushaku Fresh Dirty Ranbu!! [Digital]
Yourtoy
(C85) [Spermation (Tamatsuyada, Satou Kimiatsu)] Energy Kyo-ka!! Soushuuhen 1 NukiSuppo Hen ch.1 [English] =Krizalid=
[Seiji Matsuyama] Bukkake Vol. 01
[Tamatsuyada, Satou Kimiatsu] Energy Kyo-ka!! ~Bakunyuu JK. Gachi Zeme Hatsujou Chuu!~ [Digital]
[Matsuyama Hayate] Nyotaika de Ecchi Kenshin!? Mirudake tte Itta no ni... 4 [Digital]
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
[Matsuyama Hayate, Hitotsuki Katagiri] 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]
[杯面] 堕.续 [中國語]
[Matsuyama Seiji] Tanomu to Sex Shite Kureru Boku no Yankee Onee-chan. [English] [Digital]
Sexy Undercover Investigation! Don't spread it too much! Lewd TS Physical Examination Part 2
[Matsuyama Seiji] Onegai ♥ Anna-Sensei
Hajimete no Furin Onsen
Young Champion Retsu Vol.07 (2007-07-25 Zoukangou)
50-sai Bakunyuu Hitozuma Kounenki de Heikei shite Ninshin shinaku natta node... Nakadashi SEX Shihoudai.
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
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
[MANA-KO] Cinderella Scandal