Young Comic 2008-12
COMIC Europa Vol. 16
(C97) [Tekkamaki (Tetsuyama Kaya)] Moto Dorei no Nekomimi Maid to Shiawase Ecchi Suru Hon [English]
Yarashite Kureru Gal Onee-chan.
[Matsuyama Seiji] Misoji Idol Takahashi Reiko-san no Yawarakai Oppai de Kyousha (THE IDOLM@STER CINDERELLA GIRLS) [Digital]
Manga Bon 2012-09
(ComiComi2) [Binbou Noujou (Mitsuyama Hajime)] Fukanzennenshou Futoumei Kecchaku (Gunparade March)
(C92) [Tekkamaki (Tetsuyama Kaya)] Tsumetai Binetsu -Kyoudai Hen-
(C85) [Matsuyama Seiji (Matsuyama Seiji)] Eiken Makaizou (Eiken) [Incomplete]
[Matsuyama Seiji] Eiken Rensai Kaishi 10-shuunen Kinen Bon Kaiteiban Sai (Eiken) [Digital]
(C81) [BOBCATERS (Hamon Ai, Matsuyama Seiji)] Yukiho Shinken (THE iDOLM@STER)
[Matsuyama Hayate] Nyotaika de Ecchi Kenshin!? Mirudake tte Itta no ni... 3 [Digital]
[Seiji Matsuyama] Bukkake Vol. 01
Eiken Makaizou 2
[Matsuyama Seiji] Onegai Makoto Sensei (Space Battleship Yamato 2199) [Digital]
Young Champion Retsu Vol.06
Sexy Undercover Investigation! Don't spread it too much! Lewd TS Physical Examination
[Matsuyama Hayate] Gender Bender Into Sexy Medical Examination! You said that you were only going to look... 1 [English] [SachiKing] [Digital]
COMIC Europa Vol. 8
Gender Bender Into Sexy Medical Examination! You said that you were only going to look... 1
Gimai no Succubus to xxx
Part no Misako-san Mune o Chirami Shite Kuru Shinjin-kun ni Fudeoroshi Shite Ageru no Ga o Suki
Kono Haru, Kanojo to Issho ni Sotsugyou Shimashita
Nandemo Yasashiku Ukeirete Kureru Imouto 2
Kinjo no Chuugakusei no Otokonoko ga Watashi no Mune o Chirachira Mite kuru node... Sex o Shite ageta Hanashi.
[Matsuyama Seiji] Yarashite Kureru Yankee no Mama [Digital]
[Matsuyama Seiji] Yarashite Kureru Gal Onee-chan. [Digital]
[Matsuyama Seiji] Eiken Makaizou 3 (Eiken) [Digital]
Young Comic 2008-10
Eiken Makaizou 3
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
[anthology] Breath Special Tokushuu Loli-Shota
[Matsuyama Hayate] Nyotaika de Ecchi Kenshin!? Mirudake tte Itta no ni... 2 [Digital]
[saw-vis] 神様の純情 (Yuri on Ice)
[Matsuyama Hayate] Nyotaika de Ecchi Kenshin!? Mirudake tte Itta no ni... 1 [Digital]
Onegai Anna Sensei by Seiji Matsuyama
Young Champion Retsu Vol.02
Young Champion Retsu Vol.11 (2008-03-30 Zoukangou)
Young Comic 2008-07
Tanomu to Sex Shite Kureru Yankee Onee-chan.
[MANA-KO] Cinderella Scandal
Pure Sexy Lesson
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 Seiji] Tanomu to Sex Shite Kureru Boku no Yankee Onee-chan. [English] [Digital]
Oppai de... Icchau no?
[Matsuyama Seiji] Eiken Makaizou (Eiken) [English] [Mongolfier] [Digital] [Incomplete]
(C91) [Matsuyama Seiji] Ura Eiken ZERO Remake (Eiken)
Young Champion Retsu Vol.07 (2007-07-25 Zoukangou)
(C91) [Tekkamaki (Tetsuyama Kaya)] Isourou no Kyuuketsuki to xxx [Chinese] [無邪気漢化組]
(C81) [BOBCATERS (Hamon Ai, Matsuyama Seiji)] Yukiho Shinken (THE iDOLM@STER) [English] [Tigoris Translates]
Gender Bender Into Sexy Medical Examination! You said that you were only going to look... 4
Kono Haru, Sotsugyou shimashita
Moto Dorei no Nekomimi Maid to Shiawase Ecchi Suru Hon - Book to have happy sex with cat ear maid
[Nishimura Haruka] SM Tsuyama
[LOVE (Kawai Hideki)] Disappear (Death Note)
[杯面] 堕.续 [中國語]
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
Young Champion Retsu Vol.04
[Matsuyama Seiji] Eiken Makaizou (Eiken) [Digital]
Seiji_Matsuyama-Onegai_Anna_Sensei (5-8) small ver.
56-sai Bust 256cm Danchizuma Ookiku Tareta Jukujo no Chibusa... Boku wa Kono Hito de Doutei o Sotsugyou Shita.
Young Comic 2009-01
30-Sai Imouto
Nyotaika de Ecchi Kenshin!? Mirudake tte Itta no ni... 5
[Matsuyama Seiji] Onegai ♥ Anna-Sensei
[Anthology] Kouki na Ojou-sama wa Chitsunai Shasei ga Osuki Vol.2 Kouki na Ojou-sama o harama SEX anthology
COMIC BAVEL 2019-09
50-sai no Haha ga Erosugite Nakadashi Sex o Shite moratta Doutei no Boku
Young Champion Retsu Vol.17
[Matsuyama Hayate] Nyotaika de Ecchi Kenshin!? Mirudake tte Itta no ni... 5 [Digital]
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
COMIC BAVEL 2019-09
[Matsuyama Seiji] Otona no Zokusei Late2015 [Digital]
COMIC Europa Vol. 13
Otona no Zokusei Late2015
Otona no Eiken ~Shinonome Chiharu 26-sai~
Eiken Makaizou 2
Tsumetai Binetsu
Netorareru Bijiri Wakazuma Sousakan Satsuki
[Matsuyama Hayate] Nyotaika de Ecchi Kenshin!? Mirudake tte Itta no ni... 4 [Digital]
神様の純情
(C94) [Tekkamaki (Tetsuyama Kaya)] Tsumetai Binetsu -Junai Hen-
[YKD] The Proper Way to Eat (Dungeon Meshi) [Chinese] [Digital]
[Matsuyama Hayate] Dokushin Ryou no Hame rare Omocha ~ Osoujichuu ni Guchi ~yogu choshi naide…! [Kanzenban]