(C72) [KOTAMA-ROOM (Kotamaru)] Kotamaru Rough Gashuu CROQUIS (Original)
(C69) [PUSSY CAT (Kotamaru)] KOTAMAROOM (Various)
(C75) [KOTAMA-ROOM (Kotamaru)] Kotamaru Heya 2008
[Tamago no Kara (Various)] Buri no Hon (Guilty Gear XX)
(C70) [Pussy CAT (Kotamaru, Oono Tetsuya, Tororo)] PUSSY ARK (Prism Ark)
(C71) [Pussy CAT (Ikuta Takanon/Kotamaru) Kotamaroom 2006