30-Sai Imouto
[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!?
Energy Kyo-ka!! ~Bakunyuu JK. Gachi Zeme Hatsujou Chuu!~
Eiken Rensai Kaishi 10-shuunen Kinen Bon Kaiteiban Sai
Yarashite Kureru Yankee no Mama
Otona no Eiken 〜 Shinonome Chiharu 26-sai 〜
[Tamatsuyada, Satou Kimiatsu] Energy Kyo-ka!! ~Bakunyuu JK. Gachi Zeme Hatsujou Chuu!~ Ch. 1 [Chinese] [菓子铺汉化]
Young Champion Retsu Vol.02
Young Comic 2008-12
[Tamatsuyada, Satou Kimiatsu] Henshin!? Sukekomas!! Dai 4-wa Chotto Mate! Karada ga Oyajiru Nioi Feti. Megane Shoujo Setsu Toujou [Digital]
Gender Bender Into Sexy Medical Examination! You said that you were only going to look... 4
Young Champion Retsu Vol.03
Young Champion Retsu Vol.08 (2007-09-30 Zoukangou)
[Matsuyama Seiji (Matsuyama Seiji)] Part no Misako-san Mune o Chirami Shite Kuru Shinjin-kun ni Fudeoroshi Shite Ageru no Ga o Suki
[Tamatsuyada, Satou Kimiatsu] Energy Kyo-ka!! ~Bakunyuu JK. Gachi Zeme Hatsujou Chuu!~ Ch. 1-7 [English] [Digital]
[Matsuyama Hayate] Nyotaika de Ecchi Kenshin!? Mirudake tte Itta no ni... 2 [Digital]
[Tamatsuyada, Satou Kimiatsu] Henshin!? Sukekomas!! Dai 2-wa Cool de Do-M na Ganguro Musume Nagisa <24-sai> no Baai [Digital]
[Teruyo] 私たちの猥らな生活。
Young Comic 2008-10
50-sai Bakunyuu Hitozuma Kounenki de Heikei shite Ninshin shinaku natta node... Nakadashi SEX Shihoudai.
(C92) [Riff-Racket (Racket)] Shimatsuya-san to Beach Date (Phantasy Star Online 2)
[Matsuyama Seiji] Eiken Makaizou (Eiken) [Digital]
[Matsuyama Hayate] Nyotaika de Ecchi Kenshin!? Mirudake tte Itta no ni... 3 [Digital]
[Matsuyama Hayate] Nyotaika de Ecchi Kenshin!? Mirudake tte Itta no ni... 5 [Digital]
Young Comic 2009-01
Oppai Momu?
Sexy Undercover Investigation! Don't spread it too much! Lewd TS Physical Examination Part 2
Eiken Adult Kirika ~With Love From the Milk Bags~
[Matsuyama Seiji] Eiken Rare Illust-shuu (Eiken) [Digital]
Hajimete no Furin Onsen
[Teru] Chin Nii-chan [Chinese] [黑街汉化组]
Yourtoy
[Matsuyama Seiji] Azusa-san ga Ore no Yome de Eiken Mitai na Chou Bakunyuu dattara (THE iDOLM@STER) [Digital]
Otona no Eiken ~Shinonome Chiharu 26-sai~
Young Champion Retsu Vol.06
[Tamatsuyada, Satou Kimiatsu] Energy Kyo-ka!! ~Bakunyuu JK. Gachizeme Hatsujouchuu!~ Rachel Toujou! Shoukan o Kakete Lotion Mamire no Doutei Tokumori Match!! [Digital]
[Spermation (Tamatsuyada, Satou Kimiatsu)] Energy Kyo-ka!! ~Bakunyuu JK. Gachi Zeme Hatsujou Chuu!~ Ch.2 [English]
Seiji Matsuyama Onegai Anna Senensei
[Tamatsuyada, Satou Kimiatsu] Energy Kyo-ka!! ~Bakunyuu JK. Gachizeme Hatsujouchuu!~ Chou Pinch! Tonda Ero Bus Dai Shissou! Zenra Jousha de Nukitsu Nukaretsu!? [English] [Digital]
COMIC Shitsurakuten 2017-07 [Digital]
(C85) [Spermation (Tamatsuyada, Satou Kimiatsu)] Energy Kyo-ka!! Soushuuhen 1 NukiSuppo Hen
Energy Kyo-ka!! ~Bakunyuu JK. Gachi Zeme Hatsujou Chuu!~ Ch. 1-7
[Kita Matsuya] Netorare Oneesan 6
[Tamatsuyada, Satou Kimiatsu] Energy Kyo-ka!! ~Bakunyuu JK. Gachi Zeme Hatsujou Chuu!~ [Digital]
(C85) [Spermation (Tamatsuyada, Satou Kimiatsu)] Energy Kyo-ka!! Soushuuhen 3 MajiIki Hen
Nyotaika de Ecchi Kenshin!? Mirudake tte Itta no ni... 6 | Gender Bender Into Sexy Medical Examination! You said that you were only going to look... 6
Manga Bon 2012-09
[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]
Eiken Makaizou 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]
COMIC X-EROS #30
Seiji_Matsuyama-Onegai_Anna_Sensei (5-8) small ver.
Young Champion Retsu Vol.04
[Spermation (Tamatsuyada, Satou Kimiatsu)] Energy Kyo-ka!! ~Bakunyuu JK. Gachi Zeme Hatsujou Chuu!~ Ch.2-3 [English]
56-sai Bust 256cm Danchizuma Ookiku Tareta Jukujo no Chibusa... Boku wa Kono Hito de Doutei o Sotsugyou Shita.
Netorare Onna Kyoushi ninper Kiwami
Young Comic 2009-07
(C85) [Spermation (Tamatsuyada, Satou Kimiatsu)] Energy Kyo-ka!! Soushuuhen 1 NukiSuppo Hen ch.1 [English] =Krizalid=
[Tamatsuyada] Henshin!? Sukekomas!! Dai 1-wa Inran Shota Zuki Satokura Manami <26-sai> no Baai [Chinese] [哈尼喵汉化组] [Digital]
[Tamatsuyada, Satou Kimiatsu] Henshin!? Sukekomas!! Dai 3-wa Gabugabu Harem? Kiken na Omorashi Poolside. [Digital]
Gender Bender Into Sexy Medical Examination! You said that you were only going to look... 3
[Matsuyama Seiji (Matsuyama Seiji)] Oppai Momu? [Digital]
(C81) [BOBCATERS (Hamon Ai, Matsuyama Seiji)] Yukiho Shinken (THE iDOLM@STER) [English] [Tigoris Translates]
[Tamatsuyada] Henshin!? Sukekomassu!! Soushuuhen [Digital]
[Tamatsuyada, Satou Kimiatsu] Henshin!? Sukekomas!! Dai 5 wa Amaku Fukuramu Banana no Kaori? Hanra de Yuuwaku Ikisugi Seihin Happyoukai!?! [Digital]
[Tamatsuyada, Satou Kimiatsu] Energy Kyo-ka!! ~Bakunyuu JK. Gachizeme Hatsujouchuu!~ Rachel Toujou! Shoukan o Kakete Lotion Mamire no Doutei Tokumori Match!! [English] [Mongolfier] [Digital]
[Tamatsuyada, Satou Kimiatsu] Energy Kyo-ka!! ~Bakunyuu JK. Gachizeme Hatsujouchuu!~ EX02: Choujou EroWres "Leona vs Sherry"! Sokushaku Fresh Dirty Ranbu!! [English] [Wazawahi] [Digital]
[Tamatsuyada, Satou Kimiatsu] Energy Kyo-ka!! Full Color Ban 01-03
Young Champion Retsu Vol.12 (2008-05-25 Zoukangou)
[Tamatsuyada, Satou Kimiatsu] Energy Kyo-ka!! ~Bakunyuu JK. Gachizeme Hatsujouchuu!~ Shinshou Kaimaku!? Zengo Mankitsu Jealousy 4P kara no Love Love Daienjou!? [Digital][English]
COMIC Shitsurakuten 2017-07
Onegai Anna Sensei by Seiji Matsuyama
COMIC X-EROS #21
[Matsuyama Seiji] Onegai Makoto Sensei (Space Battleship Yamato 2199) [Digital]
[Matsuyama Seiji] Eiken Makaizou 3 (Eiken) [Digital]
(C89) [spermation (Tamatsuyada, Satou Kimiatsu)] Energy Kyo-ka Soushuuhen "Gaisen Fukki Hen" [English]
[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]
Energy Kyo-ka!! ~Bakunyuu JK. Gachi Zeme Hatsujou Chuu!~ Ch. 1
Young Champion Retsu Vol.14
[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]
[Tamatsuyada, Satou Kimiatsu] Energy Kyo-ka!! ~Bakunyuu JK. Gachi Zeme Hatsujou Chuu!~ Ch. 2-5 [English] [Digital]
Kakuto Musume Wa oo Toshigoro
Gender Bender Into Sexy Medical Examination! You said that you were only going to look... 1
50歳パートの普通のおばちゃん……だがそれがいい
Young Comic 2008-08
(C91) [Matsuyama Seiji] Ura Eiken ZERO Remake (Eiken)
[Matsuyama Seiji] Misoji Idol Takahashi Reiko-san no Yawarakai Oppai de Kyousha (THE IDOLM@STER CINDERELLA GIRLS) [Digital]
[Matsuyama Seiji] Otona no Zokusei Late2015 [Digital]
[Matsuyama Hayate] Nyotaika de Ecchi Kenshin!? Mirudake tte Itta no ni... 1 [Digital]
[Matsuyama Seiji] Kinjo no Chuugakusei no Otokonoko ga Watashi no Mune o Chirachira Mite kuru node... Sex o Shite ageta Hanashi. [Digital]
(C81) [BOBCATERS (Hamon Ai, Matsuyama Seiji)] Yukiho Shinken (THE iDOLM@STER)
[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] Otona no Eiken ~Shinonome Chiharu 26-sai~ (Eiken) [Digital]
[Matsuyama Seiji] Eiken Makaizou (Eiken) [English] [Mongolfier] [Digital] [Incomplete]
[Tamatsuyada, Satou Kimiatsu] Energy Kyo-ka!! ~Bakunyuu JK. Gachizeme Hatsujouchuu!~ EX02: Choujou EroWres "Leona vs Sherry"! Sokushaku Fresh Dirty Ranbu!! [Digital]
[Hakase] 2022 nenban tadashii (da) ki kata (Dragon Ball Z)
[Matsuyama Seiji] Eiken Rensai Kaishi 10-shuunen Kinen Bon Kaiteiban Sai (Eiken) [Digital]
Energy Kyo-ka!! Soushuuhen 1 NukiSuppo Hen ch.1
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
[Tamatsuyada, Satou Kimiatsu] Energy Kyo-ka!! ~Bakunyuu JK. Gachi Zeme Hatsujou Chuu!~ Ch. 2-4 [English] [Digital]
Eiken Rare Illust-shuu
Young Champion Retsu Vol.09
[杯面] 堕.续 [中國語]
Henshin!? Sukekomassu!! Soushuuhen
[Matsuyama Seiji] Oba x Boku - 41-sai Komochi no Shufu ga Doutei no Boku ni Tanomikomarete Shikatanaku...? Sex Shita Hanashi [Digital]
[Tamatsuyada, Satou Kimiatsu] Energy Kyo-ka!! ~Bakunyuu JK. Gachizeme Hatsujouchuu!~ Shinshou Kaimaku!? Zengo Mankitsu Jealousy 4P kara no Love Love Daienjou!? [Digital]
[Matsuyama Seiji] Tanomu to Sex Shite Kureru Boku no Yankee Onee-chan. [English] [Digital]
[Matsuyama Hayate] Nyotaika de Ecchi Kenshin!? Mirudake tte Itta no ni... 6 [Digital]
[Matsuyama Seiji] Onegai ♥ Anna-Sensei
[Tamatsuyada, Satou Kimiatsu] Henshin!? Sukekomas!! Dai 7 wa Nicchuu Kankei!? Iinari Kanojo to Toraware no Koman!! [Digital]
Young Champion Retsu Vol.07 (2007-07-25 Zoukangou)
Young Comic 2008-09
Otona no Zokusei Late2015
(Dramatic Change 4) [Inumatsuya (Shirai Ten)] Teru-san Oishii desu! (THE IDOLM@STER SideM)
[Inumatsuya (Shirai Ten)] Takeuchi P Kaihatsu Kiroku | 武內P開発記錄 (THE IDOLM@STER CINDERELLA GIRLS) [Chinese] [黑夜汉化组]
[Matsuyama Seiji] Eiken Makaizou 2 (Eiken) [Digital]
(Mimiket 7) [Yoshinoya Matsuya (various)] DOGBOYS
COMIC Shitsurakuten 2016-10
(C85) [Spermation (Tamatsuyada, Satou Kimiatsu)] Energy Kyo-ka!! Soushuuhen 2 Manguri Hen
Young Champion Retsu Vol.16
[Tamatsuyada, Satou Kimiatsu] Energy Kyo-ka!! ~Bakunyuu JK. Gachizeme Hatsujouchuu!~ Chou Pinch! Tonda Ero Bus Dai Shissou! Zenra Jousha de Nukitsu Nukaretsu!? [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 Seiji] Loli-gao de Kyonyuu na Okaa-san ga Boku no Hatsutaiken. [Digital]
Nyotaika de Ecchi Kenshin!? Mirudake tte Itta no ni... 5
COMIC Shitsurakuten 2016-10 [Digital]
COMIC X-EROS #25
(C89) [spermation (Tamatsuyada, Satou Kimiatsu)] Energy Kyo-ka Soushuuhen "Gaisen Fukki Hen"
Young Champion Retsu Vol.15
Eiken Makaizou 2
[Matsuyama Seiji] Eiken Makaizou 4 (Eiken) [Digital]
Young Champion Retsu Vol.05
Young Champion Retsu Vol.17
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
[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]
(C85) [Matsuyama Seiji (Matsuyama Seiji)] Eiken Makaizou (Eiken) [Incomplete]
Iiko Iikoto Kimochi Iikoto | 好孩子舒服的事欲罢不能的事情
Oppai de... Icchau no?
Kinjo no Chuugakusei no Otokonoko ga Watashi no Mune o Chirachira Mite kuru node... Sex o Shite ageta Hanashi.
Manga Bon 2012-12
寝取られお姉さん7
[Seiji Matsuyama] Ura Eiken ZERO (Eiken)
Gender Bender Into Sexy Medical Examination! You said that you were only going to look... 2
Young Champion Retsu Vol.10 (2008-01-25 Zoukangou)
[Tamatsuyada, Satou Kimiatsu] Energy Kyo-ka!! ~Bakunyuu JK. Gachi Zeme Hatsujou Chuu!~ [English] [Digital]
Otoko no Risou wa Sex Dekiru Okaa-san
[Tamatsuyada, Satou Kimiatsu] Henshin!? Sukekomas!! Dai 6 wa Shitteru? Nurutteru. Sutto Suru! Jaguar Balm de Midara Settai! [Digital]
Sexy Undercover Investigation! Don't spread it too much! Lewd TS Physical Examination Part 1