[Chokudoukan (Hormone Koijirou, Marcy Dog)] Sokkyuuou 4
(C74) [Chokudoukan (Hormone Koijirou, Marcy Dog)] Lovely Days (ToHeart2 AnotherDays)
(C54) [Chokudoukan (Hormone Koijirou, Marcy Dog, Yano Takumi)] Please Teach Me (Cardcaptor Sakura) [English] [ATF]
[Chokudoukan (Hormone Koijirou, Marcy Dog)] Sokkyuuou 8
[Chokudoukan (Hormone Koijirou, Marcy Dog)] Sokkyuuou 9
(CR23) [MARCY'S, Chokudoukan (Marcy Dog)] Virgin Boy 2
(C49) [Chokudoukan (Marcy Dog, Hormone Koijirou)] Sayonara Sokkyuuou
(C79) [Chokudoukan (Marcy Dog & Hormone Koijirou)] Sokkyuu Tsuushin C79 (Various)
(CR26) [Chokudoukan (Hormone Koijirou, Marcy Dog)] Naughty Girls 2 (Comic Party)
(CR27) [Chokudoukan (Hormone Koijirou, Marcy Dog)] Sokkyuuou 2000 (Various)