[Guy-Ya (Hirano Kouta, Yamada Shuutarou)] UFO 2000 (Wingman)
(C65) [GUY-YA (Yamada Shuutarou, Hirano Kouta)] UFO MAMA (Detective Conan)
[Yamadamaya (yama)] Kaikan Busshitsu ver.0.6
(CR21) [GUY-YA (Yamada Shuutarou)] Kono Yo no Hate de Koi wo Utau Shoujo YU-NO (YU-NO)
(C48) [GUY-YA (Yamada Shuutarou, Hirano Kouta)] HI-SIDE 1 (Various)
(C54) [GUY-YA (Hirano Kouta, Yamada Shuutarou)] HI SIDE 7 (Cowboy Bebop)
(C72) [GUY-YA (Yamada Shuutarou, Hirano Kouta)] 509 (Kizuato, Daibanchou -Big Bang Age-)
(C69) [Guy-ya (Hirano Kouta, Yamada Shuutarou)] UFO 2000 UFO-TOP (Gunbuster) [English] [Kusanyagi]
[Anthology] Love Paro Doumei '99 (Various)
(C52) [Guy-Ya (Hirano Kouta, Yamada Shuutarou) Hi-Side 5 (Various)