30-Sai Imouto
Eiken Rensai Kaishi 10-shuunen Kinen Bon Kaiteiban Sai
Yarashite Kureru Yankee no Mama
Through The Wall
Otona no Eiken 〜 Shinonome Chiharu 26-sai 〜
Young Champion Retsu Vol.02
Young Comic 2008-12
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
[Matsuyama Hayate] Nyotaika de Ecchi Kenshin!? Mirudake tte Itta no ni... 2 [Digital]
[Sasamori Tomoe] Houkago no Yuutousei
(Reitaisai 7) [TOYBOX, Kujira Logic (Kurikara, Kujiran)] Gensoukyou Chichi Zukan Kurenai EX (Touhou Project)
[Teruyo] 私たちの猥らな生活。
Young Comic 2008-10
[Matsuyama Seiji] 50-sai no Haha ga Erosugite Nakadashi Sex o Shite Moratta Doutei no Boku. [English] [Fated Circle] [Digital]
(C84) [Kaiki Nisshoku (Ayano Naoto)] R.O.D 8 -Rider or Die 8- (Fate/hollow ataraxia) [English] [Chocolate]
50-sai Bakunyuu Hitozuma Kounenki de Heikei shite Ninshin shinaku natta node... Nakadashi SEX Shihoudai.
[Matsuyama Seiji] Eiken Makaizou (Eiken) [Digital]
[Matsuyama Hayate] Nyotaika de Ecchi Kenshin!? Mirudake tte Itta no ni... 3 [Digital]
Kariyuku Mono
[Matsuyama Hayate] Nyotaika de Ecchi Kenshin!? Mirudake tte Itta no ni... 5 [Digital]
Young Comic 2009-01
Oppai Momu?
Watching AV with Anzu-chan + Dead Manga
[Isamura] Higeki no Heroine no Nichijou 2 [Chinese] [沒有漢化]
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
[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
[Matsuyama Hayate] Dokushin Ryou no Hame rare Omocha ~ Osoujichuu ni Guchi ~yogu choshi naide…! [Kanzenban]
Seiji Matsuyama Onegai Anna Senensei
あけまして
Succubus Stayed Life 9
[Tanuma Yuuichirou] LOVE ME (1993)
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
Eiken Makaizou 3
[Yottanchi (Yottan)] Oneshota
Seiji_Matsuyama-Onegai_Anna_Sensei (5-8) small ver.
Young Champion Retsu Vol.04
56-sai Bust 256cm Danchizuma Ookiku Tareta Jukujo no Chibusa... Boku wa Kono Hito de Doutei o Sotsugyou Shita.
Young Comic 2009-07
Tokura Misaka ni Mechakucha Shitemita
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]
[Okina Flying Factory]PURURUN
とくべつな毎日
Young Champion Retsu Vol.12 (2008-05-25 Zoukangou)
Onegai Anna Sensei by Seiji Matsuyama
(C85) [STUDIO PAL (Nanno Koto)] Takurandemasuyo, Gahara-san. (Bakemonogatari) [English] [CGrascal]
[Matsuyama Seiji] Onegai Makoto Sensei (Space Battleship Yamato 2199) [Digital]
[Matsuyama Seiji] Eiken Makaizou 3 (Eiken) [Digital]
[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]
Ano jigadori musume ga tsuini AV debyu Esa chica que se toma fotos finalmente tendra su debut AV
[Clone Ningen] Queen Bee [English] {SaHa}
Young Champion Retsu Vol.14
[Matsuyama Seiji] Yarashite Kureru Yankee no Mama [Digital]
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]
RAPEterrupted Love Confession
Roshutsu Shoujo Yuugi San | Exhibitionist Girl's Play 3
[Hakase] 2022 nenban tadashii (da) ki kata (Dragon Ball Z)
[Matsuyama Seiji] Eiken Rensai Kaishi 10-shuunen Kinen Bon Kaiteiban Sai (Eiken) [Digital]
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
Eiken Rare Illust-shuu
Young Champion Retsu Vol.09
(Reitaisai 2) [Meikyoushisui (Kurouso)] Kyuusei Alcohol Chuugoku! (Touhou Project)
[杯面] 堕.续 [中國語]
[Matsuyama Seiji] Oba x Boku - 41-sai Komochi no Shufu ga Doutei no Boku ni Tanomikomarete Shikatanaku...? Sex Shita Hanashi [Digital]
[OKAWARI] Strawberry ☆ Factory + First Limited Edition CD(mp3)
[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
Young Champion Retsu Vol.07 (2007-07-25 Zoukangou)
Young Comic 2008-09
Otona no Zokusei Late2015
(C71) [MARUTA-DOJO (MARUTA)] Otome wa Boku de Nani Shiteru (Otome wa boku ni koi shiteru)
[Matsuyama Seiji] Eiken Makaizou 2 (Eiken) [Digital]
Young Champion Retsu Vol.16
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
[Matsuyama Hayate] Gender Bender Into Sexy Medical Examination! You said that you were only going to look... 1 [English] [SachiKing] [Digital]
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
(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
[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)
Otoko no Risou wa Sex Dekiru Okaa-san
Sexy Undercover Investigation! Don't spread it too much! Lewd TS Physical Examination Part 1
Onegai Anna Sensei New Chapters
[Matsuyama Seiji] 50-sai no Haha ga Erosugite Nakadashi Sex o Shite moratta Doutei no Boku [Digital]
Tanomu to Sex Shite Kureru Yankee Onee-chan.
Zenra Eiken
[Matsuyama Hayate, Hitotsuki Katagiri] Sexy Undercover Investigation! Don't spread it too much! Lewd TS Physical Examination
[Seiji Matsuyama] Bukkake Vol. 01
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
Lovers ラヴァーズ
Young Comic 2008-07
[MANA-KO] Cinderella Scandal
[Matsuyama Hayate] Nyotaika de Ecchi Kenshin!? Mirudake tte Itta no ni... 4 [Digital]
[Alyder] A*M date (Gundam SEED DESTINY)
[Iogi Juichi] Exorsister Maria 1
DisSpa!!! Ukemi-chan no Hajimete no Spanking Oshiri Penpen
(C97) [Nameless (GuiZhenCao)] Moshi Ere-san ga Oji-san-tachi ni Mawasarettara... (Fate/Grand Order)
Yarashite Kureru Gal Onee-chan.
Otona no Eiken Kirika ~Chibukuro yori Ai o Komete~
50-sai no Haha ga Erosugite Nakadashi Sex o Shite moratta Doutei no Boku
Otona no Eiken
Manga Bon 2012-06
Sexy Undercover Investigation! Don't spread it too much! Lewd TS Physical Examination
Part no Misako-san Mune o Chirami Shite Kuru Shinjin-kun ni Fudeoroshi Shite Ageru no Ga o Suki
Young Champion Retsu Vol.11 (2008-03-30 Zoukangou)
[Ribons Nights (Kyouno Aki)] Koisuru Matsuyama-san [Digital]
[Matsuyama Seiji] Yarashite Kureru Gal Onee-chan. [Digital]
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
Young Champion Retsu Vol.13
[anthology] Breath Special Tokushuu Loli-Shota
[LOVE (Kawai Hideki)] Disappear (Death Note)
[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] Otona no Eiken Kirika ~Chibukuro yori Ai o Komete~ (Eiken) [Digital]
[Yuzuponz (Akairo)] Ane no Pantsu de Onatte itara Futatabi Inma ga Yattekita [Digital]
(C72) [Z-TABUKURONEKO HOUSE (Gyonikun)] Tsukutte Airantou (Nagasarete Airantou)