(C68) [Uropyon (Urotan)] Eco Splash 6 (Ecoko)

[Furaipan Daimaou (Chouchin Ankou)] Ecoko no Ehon (Ecoko)

(C60) [Uropyon (Urotan)] ECO SPLASH 03 (Ecoko)

(CR29) [Kimpotsu (Araki Akira, KANA)] Cruller (AIR, Sister Princess, Ecoko)

(C58) [Uropyon (Urotan)] Eco Splash 2 (Ecoko)

(Ecoket) [Kenrou Koubo (Orimoto Mimana)] Eco Millennium (Ecoko)

(COMITIA60) [Sagamani (Sagami Inumaru)] Frozen Punch! (Ecoko)

(C57) [Uropyon (Urotan)] ECO SPLASH 01 (Ecoko)

(C62) [Uropyon (Urotan)] ECO SPLASH 04 (Ecoko)

(Ecoket 01) [Oden-ya (various)] Ecoco na Hon (Ecoko)