[Matsuyama Seiji] Azusa-san ga Ore no Yome de Eiken Mitai na Chou Bakunyuu dattara (THE iDOLM@STER) [Digital]
[Matsuyama Seiji] Otona no Eiken ~Shinonome Chiharu 26-sai~ (Eiken) [Digital]
Young Comic 2008-08
(C83) [Waku Waku Doubutsuen (Tennouji Kitsune)] blue snow blue scene.14 [Chinese] [原諒TA個人漢化]
Young Champion Retsu Vol.06
Young Comic 2009-01
[Vane Person (gio)] Tsukuyo ga Shokushu Hana ni Naburareru! (Gintama)
Zenra Eiken
[Anthology] 2D Comic Magazine Otoko ga Kawareru Gyaku Ningen Bokujou Vol. 1 [Digital]
(SC33) [ERECT TOUCH (Erect Sawaru)] VALKYRIE SLAVE (Valkyrie Profile)
Young Comic 2008-10
(COMITIA111) [Intoku.info (Endou Hiroto)] Shishunki no Sister wa Moteamashiteru kara Otoko no Ko o Manabitai! [Chinese] [光年漢化組]
Young Champion Retsu Vol.15
Yoru no Otomo ni Airou o.
56-sai Bust 256cm Danchizuma Ookiku Tareta Jukujo no Chibusa... Boku wa Kono Hito de Doutei o Sotsugyou Shita.
Onegai Anna Sensei by Seiji Matsuyama
[Matsuyama Seiji] 50-sai no Haha ga Erosugite Nakadashi Sex o Shite Moratta Doutei no Boku. [English] [Fated Circle] [Digital]
[Ribons Nights (Kyouno Aki)] Koisuru Matsuyama-san [Digital]
50-sai Bakunyuu Hitozuma Kounenki de Heikei shite Ninshin shinaku natta node... Nakadashi SEX Shihoudai.
Kinjo no Chuugakusei no Otokonoko ga Watashi no Mune o Chirachira Mite kuru node... Sex o Shite ageta Hanashi.
Young Comic 2008-09
SUBMISSION JUPITER
[Matsuyama Hayate] Gender Bender Into Sexy Medical Examination! You said that you were only going to look... 1 [English] [SachiKing] [Digital]
Boku no Kanojo wa Chuunibyou!!
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
Seiji Matsuyama Onegai Anna Senensei
Otona no Eiken ~Shinonome Chiharu 26-sai~
Young Champion Retsu Vol.16
[Matsuyama Seiji] 50-sai no Haha ga Erosugite Nakadashi Sex o Shite moratta Doutei no Boku [Digital]
Damegami Nurunuru
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
30-Sai Imouto
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
[Matsuyama Seiji (Matsuyama Seiji)] Part no Misako-san Mune o Chirami Shite Kuru Shinjin-kun ni Fudeoroshi Shite Ageru no Ga o Suki
[杯面] 堕.续 [中國語]
Young Comic 2009-07
[Matsuyama Seiji] Yarashite Kureru Yankee no Mama [Digital]
Young Champion Retsu Vol.09
[Matsuyama Seiji] Kinjo no Chuugakusei no Otokonoko ga Watashi no Mune o Chirachira Mite kuru node... Sex o Shite ageta Hanashi. [Digital]
Genko no Tsurugi
[Matsuyama Seiji] Eiken Rare Illust-shuu (Eiken) [Digital]
[Teruyo] 私たちの猥らな生活。
[Hagger] Shishou to Deshi (COMIC HOTMILK 2021-12) [Chinese] [Digital]
Eiken Rare Illust-shuu
[Matsuyama Seiji] Otona no Zokusei Late2015 [Digital]
[Hakase] 2022 nenban tadashii (da) ki kata (Dragon Ball Z)
Young Champion Retsu Vol.14
50歳パートの普通のおばちゃん……だがそれがいい
Manga Bon 2012-06
Yarashite Kureru Yankee no Mama
Sexy Undercover Investigation! Don't spread it too much! Lewd TS Physical Examination Part 1
[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]
Eiken Rensai Kaishi 10-shuunen Kinen Bon Kaiteiban Sai
[Matsuyama Seiji] Otona no Eiken Kirika ~Chibukuro yori Ai o Komete~ (Eiken) [Digital]
(C81) [Senkou Campanella (Haruhina Purple)] Koumakan Kouryaku Sakusen Nanokakan ~Izayoi Sakuya Remilia Scarlet Hen~ (Touhou Project)
Iiko Iikoto Kimochi Iikoto | 好孩子舒服的事欲罢不能的事情
[Matsuyama Seiji] Onegai Makoto Sensei (Space Battleship Yamato 2199) [Digital]
(C81) [BOBCATERS (Hamon Ai, Matsuyama Seiji)] Yukiho Shinken (THE iDOLM@STER)
Toshiue no Anata
MONOCHROME Utawarerumono Hen
[Matsuyama Seiji (Matsuyama Seiji)] Oppai Momu? [Digital]
Eiken Makaizou 2
Young Comic 2008-12
Nisebitch
Sexy Undercover Investigation! Don't spread it too much! Lewd TS Physical Examination Part 2
Young Champion Retsu Vol.17
[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] Eiken Makaizou 4 (Eiken) [Digital]
Young Champion Retsu Vol.11 (2008-03-30 Zoukangou)
[Tairame] Deai no Maoushiro! (COMIC Anthurium 029 2015-09) [English]
[Matsuyama Hayate] Nyotaika de Ecchi Kenshin!? Mirudake tte Itta no ni... 3 [Digital]
(C81) [BOBCATERS (Hamon Ai, Matsuyama Seiji)] Yukiho Shinken (THE iDOLM@STER) [English] [Tigoris Translates]
Young Champion Retsu Vol.07 (2007-07-25 Zoukangou)
Young Champion Retsu Vol.03
Manga Bon 2012-09
COMIC Purumelo 2014-11
Otona no Zokusei Late2015
Nyotaika de Ecchi Kenshin!? Mirudake tte Itta no ni... 5
[Matsuyama Seiji] Eiken Makaizou (Eiken) [Digital]
[Matsuyama Seiji] Eiken Makaizou 2 (Eiken) [Digital]
[Matsuyama Hayate] Nyotaika de Ecchi Kenshin!? Mirudake tte Itta no ni... 4 [Digital]
DisSpa!!! Ukemi-chan no Hajimete no Spanking Oshiri Penpen
[Matsuyama Hayate, Hitotsuki Katagiri] Sexy Undercover Investigation! Don't spread it too much! Lewd TS Physical Examination
Young Champion Retsu Vol.13
[MANA-KO] Cinderella Scandal
(C89) [Kubotaya (Kubota Chihiro)] Netorare Atra to Onimotsu Kudelia (Mobile Suit Gundam Tekketsu no Orphans)
Yarashite Kureru Gal Onee-chan.
Gender Bender Into Sexy Medical Examination! You said that you were only going to look... 4
Young Champion Retsu Vol.04
Otona no Eiken 〜 Shinonome Chiharu 26-sai 〜
Otona no Eiken
[Matsuyama Seiji] Misoji Idol Takahashi Reiko-san no Yawarakai Oppai de Kyousha (THE IDOLM@STER CINDERELLA GIRLS) [Digital]
(C68) [Ark Emerald (Nanase Mizuho)] Cathedral II (Ragnarok Online)
Onegai Anna Sensei New Chapters
Oppai Momu?
Ai My Share Mate | Мой любимый сосед
[Matsuyama Seiji] Yarashite Kureru Gal Onee-chan. [Digital]
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
Tanomu to Sex Shite Kureru Yankee Onee-chan.
[Konchiki] Hashire Onnanoko | Run Girl Run [English] [The Tsuuyaku]
[Matsuyama Hayate] Nyotaika de Ecchi Kenshin!? Mirudake tte Itta no ni... 1 [Digital]
Eiken Adult Kirika ~With Love From the Milk Bags~
[Matsuyama Seiji] Oba x Boku - 41-sai Komochi no Shufu ga Doutei no Boku ni Tanomikomarete Shikatanaku...? Sex Shita Hanashi [Digital]
Seiji_Matsuyama-Onegai_Anna_Sensei (5-8) small ver.
(C78) [koakuma sageha (sage joh)] Zettai Inran Adults (Zettai Karen Children)
[Matsuyama Hayate] Nyotaika de Ecchi Kenshin!? Mirudake tte Itta no ni... 5 [Digital]
[Matsuyama Seiji] Onegai ♥ Anna-Sensei
(C68) [Studio Retake (Kobayashi Shouichi)] 723 Style (Keroro Gunsou)
Young Champion Retsu Vol.02
[Seiji Matsuyama] Ura Eiken ZERO (Eiken)
Oppai de... Icchau no?
[Matsuyama Hayate] Dokushin Ryou no Hame rare Omocha ~ Osoujichuu ni Guchi ~yogu choshi naide…! [Kanzenban]
[mainichi-ga-psy_g2 (Shiki)] Sweet Sweater Devil [Digital]
Gender Bender Into Sexy Medical Examination! You said that you were only going to look... 3
[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 Hayate] Nyotaika de Ecchi Kenshin!? Mirudake tte Itta no ni... 6 [Digital]
(C91) [Matsuyama Seiji] Ura Eiken ZERO Remake (Eiken)
[anthology] Breath Special Tokushuu Loli-Shota
[Matsuyama Seiji] Loli-gao de Kyonyuu na Okaa-san ga Boku no Hatsutaiken. [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
Otoko no Risou wa Sex Dekiru Okaa-san