[Shikkokuno J.P.S. (Maruyama Kei, Hasumi Elan)] Black Beauty 1998 (Sentimental Graffiti, With You, Card Captor Sakura)

(SC32) [Happy Paranoia, Shikkokuno J.P.S. (Wanashiro Giovanna, Hasumi Elan)] Un-controllable Game (Ultimate Girls)

(SC50) [Happy Paranoia, Shikkokuno J.P.S. (Wanashiro Giovanna, Hasumi Elan)] Blind god (The World God Only Knows)

(C67) [Happy Paranoia, Shikkokuno J.P.S. (Wanashiro Giovanna, Hasumi Elan)] King Harvest (Various)

(C65) [Shikkokuno J.P.S. (Hasumi Elan)] Cocaine

(C61) [Shikkokuno J.P.S. (various)] BLACK BEAUTY 2001 -PLUGGING IN- (various)

(SC41) [Happy Paranoia, Shikkokuno J.P.S. (Wanashiro Giovanna, Hasumi Elan)] FLAME UP (To LOVE-Ru)

(C63) [Shikkokuno J.P.S. (Hasumi Elan)] GIRLS GOT RHYTHM (With You ～Mitsumete Itai～)

(CR29) [J.P.S. of Black Beauty (Hasumi Elan)] The Basement Tapes Vol.1 (first edition) (Various)

(C63) [Shikkokuno J.P.S. (Hasumi Elan)] GIRLS GOT RHYTHM (With You ～Mitsumete Itai～)