Watch (C68) [Dotechin Tengoku (Ryuuki Yumi)] PSYCHO ROCK -cow version- 2000-2002 (C68) [どてちん天国 (りゅうき夕海)] PSYCHO ROCK -cow version- 2000-2002

[Dotechin Tengoku (Ryuuki Yumi)] SWEET COWCOW

[Dotechin Tengoku (Ryuuki Yumi)] MiruMiru

[Dotechin Tengoku (Ryuuki Yumi)] MILK THE COW

PSYCHO ROCK cow-version 2002-2004

(C66) [Dotechin Tengoku (Ryuuki Yumi)] PSYCHO ROCK -ver.[C]-

[Dotechin Tengoku (Ryuuki Yumi)] Psycho Rock 2011

(C92) [Dotechin Tengoku (Ryuuki Yumi)] cow cow time

(C69) [Dotechin Tengoku (Ryuuki Yumi)] PSYCHO ROCK cow-version 2002-2004

[Dotechin Tengoku (Ryuuki Yumi)] Ane Ushi

(SC45) [Dotechin Tengoku, L.L.MILK. (Ryuuki Yumi, Sumeragi Kohaku)] Ushisawagi