[Seiji Matsuyama] Bukkake Vol. 01
[Matsuyama Seiji] Otona no Zokusei Late2015 [Digital]
(Happy Twinkle 7) [Furaipan Daimaou (Chouchin Ankou)] Jewelina-sama ga Okusuri de aru Imi Happiness na koto ni naru rashii yo? (Jewelpet Twinkle)
Yarashite Kureru Gal Onee-chan.
Sexy Undercover Investigation! Don't spread it too much! Lewd TS Physical Examination Part 1
50歳パートの普通のおばちゃん……だがそれがいい
Young Comic 2009-07
(C76) [FRAC (Motomiya Mitsuki)] Adabana (Touhou Project) [English] [MysticHrist]
[Matsuyama Seiji] Loli-gao de Kyonyuu na Okaa-san ga Boku no Hatsutaiken. [Digital]
Young Comic 2008-09
[Matsuyama Hayate] Nyotaika de Ecchi Kenshin!? Mirudake tte Itta no ni... 4 [Digital]
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
[Matsuyama Hayate, Hitotsuki Katagiri] Sexy Undercover Investigation! Don't spread it too much! Lewd TS Physical Examination
Otona no Eiken
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
Otona no Eiken 〜 Shinonome Chiharu 26-sai 〜
(C91) [Matsuyama Seiji] Ura Eiken ZERO Remake (Eiken)
[Senpenbankashiki (DATE)] Uiharu no U Saten no Sa (Toaru Kagaku no Railgun) [Digital]
(C85) [Matsuyama Seiji (Matsuyama Seiji)] Eiken Makaizou (Eiken) [Incomplete]
30-Sai Imouto
[Matsuyama Seiji] Eiken Makaizou 2 (Eiken) [Digital]
Hajimete no Furin Onsen
Part no Misako-san Mune o Chirami Shite Kuru Shinjin-kun ni Fudeoroshi Shite Ageru no Ga o Suki
[Matsuyama Seiji (Matsuyama Seiji)] Oppai Momu? [Digital]
[Matsuyama Hayate] Gender Bender Into Sexy Medical Examination! You said that you were only going to look... 1 [English] [SachiKing] [Digital]
50-sai no Haha ga Erosugite Nakadashi Sex o Shite moratta Doutei no Boku
[Matsuyama Seiji] Misoji Idol Takahashi Reiko-san no Yawarakai Oppai de Kyousha (THE IDOLM@STER CINDERELLA GIRLS) [Digital]
[Matsuyama Seiji] Eiken Makaizou (Eiken) [Digital]
[Matsuyama Seiji] Otona no Eiken Kirika ~Chibukuro yori Ai o Komete~ | Eiken Adult Kirika ~With Love From the Milk Bags~ (Eiken) [English] [Digital]
Otoko no Risou wa Sex Dekiru Okaa-san
Young Champion Retsu Vol.12 (2008-05-25 Zoukangou)
awarekunoichi haritsukeryoujokutan
50-sai Bakunyuu Hitozuma Kounenki de Heikei shite Ninshin shinaku natta node... Nakadashi SEX Shihoudai.
Young Comic 2008-08
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... 1 [Digital]
[Matsuyama Seiji] Otona no Eiken ~Shinonome Chiharu 26-sai~ (Eiken) [Digital]
Young Champion Retsu Vol.05
Otona no Eiken Kirika ~Chibukuro yori Ai o Komete~
[Ribons Nights (Kyouno Aki)] Koisuru Matsuyama-san [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)
[Matsuyama Hayate] Nyotaika de Ecchi Kenshin!? Mirudake tte Itta no ni... 5 [Digital]
Oppai Momu?
[Seiji Matsuyama] Ura Eiken ZERO (Eiken)
Otona no Eiken ~Shinonome Chiharu 26-sai~
[Hakase] 2022 nenban tadashii (da) ki kata (Dragon Ball Z)
Young Comic 2009-01
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
[Matsuyama Seiji] 50-sai no Haha ga Erosugite Nakadashi Sex o Shite Moratta Doutei no Boku. [English] [Fated Circle] [Digital]
Eiken Adult Kirika ~With Love From the Milk Bags~
Otona no Zokusei Late2015
Eiken Makaizou 2
[Maguro Teikoku] Hatsu Date Kouryaku Hou - Capture guide for the first date.
Young Champion Retsu Vol.04
Young Champion Retsu Vol.16
[Matsuyama Seiji] Eiken Makaizou 3 (Eiken) [Digital]
[anthology] Breath Special Tokushuu Loli-Shota
[Matsuyama Hayate] Nyotaika de Ecchi Kenshin!? Mirudake tte Itta no ni... 6 [Digital]
Young Champion Retsu Vol.13
(2021-03 Akihabara Chou Doujinsai) [Tsuki no Uragawa (Romi)] Hachimiya-san to Kazano-san wa Sex ga Dekinai | 八宫小姐和风野小姐无法更进一步 (THE iDOLM@STER: Shiny Colors) [Chinese] [红叶P个人汉化]
[Matsuyama Hayate] Nyotaika de Ecchi Kenshin!? Mirudake tte Itta no ni... 3 [Digital]
[Matsuyama Seiji] Yarashite Kureru Yankee no Mama [Digital]
Sexy Undercover Investigation! Don't spread it too much! Lewd TS Physical Examination Part 2
Young Champion Retsu Vol.07 (2007-07-25 Zoukangou)
Eiken Rare Illust-shuu
[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]
Risty-Rin
Young Comic 2008-10
[Haratama (majoccoid)] Mikan! Mikan!! Mikan!!! (Super Danganronpa 2) [Digital]
TS Shoujo Haruki-kun 2
[Matsuyama Seiji] 50-sai no Haha ga Erosugite Nakadashi Sex o Shite moratta Doutei no Boku [Digital]
[RUZE (Kado)] Limit on the shortcake (Persona 4) [English] [PALANTINE]
Gender Bender Into Sexy Medical Examination! You said that you were only going to look... 2
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
[Matsuyama Seiji] Oba x Boku - 41-sai Komochi no Shufu ga Doutei no Boku ni Tanomikomarete Shikatanaku...? Sex Shita Hanashi [Digital]
Kinjo no Chuugakusei no Otokonoko ga Watashi no Mune o Chirachira Mite kuru node... Sex o Shite ageta Hanashi.
[Matsuyama Seiji] Eiken Makaizou 4 (Eiken) [Digital]
[Teruyo] 私たちの猥らな生活。
[Matsuyama Seiji] Eiken Rensai Kaishi 10-shuunen Kinen Bon Kaiteiban Sai (Eiken) [Digital]
Zenra Eiken
Young Champion Retsu Vol.08 (2007-09-30 Zoukangou)
(C78) [70 Nenshiki Youkyou Kikan (Endou Okito)] Kaiserin to Ikkakujuu (Juuni Kokuki)
Oppai de... Icchau no?
[Matsuyama Seiji] Eiken Rare Illust-shuu (Eiken) [Digital]
[杯面] 堕.续 [中國語]
[Matsuyama Hayate] Dokushin Ryou no Hame rare Omocha ~ Osoujichuu ni Guchi ~yogu choshi naide…! [Kanzenban]
[Matsuyama Hayate] Nyotaika de Ecchi Kenshin!? Mirudake tte Itta no ni... 2 [Digital]
Gender Bender Into Sexy Medical Examination! You said that you were only going to look... 3
DisSpa!!! Ukemi-chan no Hajimete no Spanking Oshiri Penpen
Young Comic 2008-07
Young Champion Retsu Vol.03
[Onikubo Hirohisa] Mehyou | Female Panther Volume 5
[Chijoku An] Joken Jidai no Gakkou Seikatsu to Seikyouiku
(C81) [BOBCATERS (Hamon Ai, Matsuyama Seiji)] Yukiho Shinken (THE iDOLM@STER) [English] [Tigoris Translates]
(C81) [BOBCATERS (Hamon Ai, Matsuyama Seiji)] Yukiho Shinken (THE iDOLM@STER)
Yarashite Kureru Yankee no Mama
Young Champion Retsu Vol.14
Nitori-san nara Dogeza Sureba Kyouei Mizugi de Hogushite Kureru
Young Champion Retsu Vol.15
[Matsuyama Seiji] Onegai ♥ Anna-Sensei
Gender Bender Into Sexy Medical Examination! You said that you were only going to look... 4
Eiken Rensai Kaishi 10-shuunen Kinen Bon Kaiteiban Sai
Young Champion Retsu Vol.06
Manga Bon 2012-12
Manga Bon 2012-06
Seiji_Matsuyama-Onegai_Anna_Sensei (5-8) small ver.
[Matsuyama Seiji] Yarashite Kureru Gal Onee-chan. [Digital]
Young Comic 2008-12
[Matsuyama Seiji] Kinjo no Chuugakusei no Otokonoko ga Watashi no Mune o Chirachira Mite kuru node... Sex o Shite ageta Hanashi. [Digital]
[LOVE (Kawai Hideki)] Disappear (Death Note)
Gender Bender Into Sexy Medical Examination! You said that you were only going to look... 1
[Matsuyama Seiji] Azusa-san ga Ore no Yome de Eiken Mitai na Chou Bakunyuu dattara (THE iDOLM@STER) [Digital]
Manga Bon 2012-09
Young Champion Retsu Vol.02
[Matsuyama Seiji (Matsuyama Seiji)] Part no Misako-san Mune o Chirami Shite Kuru Shinjin-kun ni Fudeoroshi Shite Ageru no Ga o Suki
Young Champion Retsu Vol.17
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 Makaizou 3
[Matsuyama Seiji] Eiken Makaizou (Eiken) [English] [Mongolfier] [Digital] [Incomplete]
[MANA-KO] Cinderella Scandal
Seiji Matsuyama Onegai Anna Senensei
[Matsuyama Seiji] Tanomu to Sex Shite Kureru Boku no Yankee Onee-chan. [English] [Digital]
Young Champion Retsu Vol.11 (2008-03-30 Zoukangou)
Ii Onna? Zurui Onna!
Onegai Anna Sensei New Chapters
Iiko Iikoto Kimochi Iikoto | 好孩子舒服的事欲罢不能的事情
Young Champion Retsu Vol.09
Onegai Anna Sensei by Seiji Matsuyama
Nyotaika de Ecchi Kenshin!? Mirudake tte Itta no ni... 5
[Matsuyama Seiji] Onegai Makoto Sensei (Space Battleship Yamato 2199) [Digital]
Young Champion Retsu Vol.10 (2008-01-25 Zoukangou)
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
[Matsuyama Seiji] Otona no Eiken Kirika ~Chibukuro yori Ai o Komete~ (Eiken) [Digital]
Tanomu to Sex Shite Kureru Yankee Onee-chan.
(C80) [Private Garden (Tsurusaki Takahiro)] retrieve #12 (Ro-Kyu-Bu!) [English] [Del-Air]
[Chiba Dirou] Sexcapades Vol.6 [English]
IS ICHIKA LOVE SISTERS!!
(Puniket 23) [Kaishundou Honpo (Kaishundou)] Miyanantoka-san wa Sanjo-san to Ochikazuki ni Naritai (Mitsudomoe)
[Ichinashi Kimi] 3-pun Instant no Chinmoku
(C84) [Atsuya Kougyou (Kaisen Chuui)] Ore no Maou ga Konna ni Eroi Wake ga Nai (Maoyuu Maou Yuusha)
Mad Hunt!!
Boku ni Harem SeFri ga Dekita Riyuu
Ari Musume Hen
(C79) [Bakunyu Fullnerson (Kokuryuugan)] now aging... (Dragon Quest IV)
shigoto owari no ippai ni Ippuku Morarete shimatta barbara to jean no hanashi
[Nekomaruya] Tsubaki Momo (Blazblue)