[ClearBook (Yamaguchi Takashi)] Renai Fuu Shuku (Touhou Project) [English]
[ClearBook (Yamaguchi Takashi)] Renai Fuu Shuku Pixiv-Ban (Touhou Project) [Digital]
(C77) [ClearBook (Yamaguchi Takashi)] Renai Fuu Shuku (Touhou Project)
(C89) [Yamaguchirou (Yamaguchi Shinji)] Mikazuki wa Itsumo Saigomade Shinai (Mobile Suit Gundam Tekketsu no Orphans)
[Yamaguchirou (Yamaguchi Shinji)] TABOO II THE WORKS OF SHINJI YAMAGUCHI (Rurouni Kenshin)
(Daikyuushuu Touhousai 8) [Nyuu Koubou (Nyuu)] Oidemase!! Jiyuu Fuuzoku Gensokyo Nihaku Mikka no Tabi | Welcome!! 3 Days and 2 Nights in Gensokyo's Unrestricted Brothel (Touhou Project) [English]
(Aggregate 5) [Areirias (Yamaguchi Ugou)] Wanwan Oppai DAYS (DOG DAYS)
[Yamaguchi Masakazu] Shake Hip Vol.2
[Yamaguchi Masakazu] Shake Hip Vol.3
[Yamaguchirou (Yamaguchi Shinji)] Juunen Shinshou Ten Years Fantasy Shinji Yamaguchi 2004 (Rurouni Kenshin)