(C57) [Uropyon (Urotan)] ECO SPLASH (Ecoko) [Spanish] [Azrael]
(C62) [Uropyon (Urotan)] Eco Splash 4 (Ecoko) [English] [Laces]
(Ecoket) [Oden-ya (Various)] Ecoko na Hon (Ecoko)
[Buruburu Panda (Yoshida Shain)] Kumaneko Soushuuhen (Various)
(CR29) [Kimpotsu (Araki Akira, KANA)] Cruller (AIR, Sister Princess, Ecoko)
(SC6) [Mikisoft, Nagomi Chaya (nagoyacochin)] Fuyu mo DANZEN Ecoko-chan (Ecoko)
(Ecoket 4) [En-Sof (Kishitsu Taishin, Kirisame Mikage)] Social Dancing (Ecoko)
[Temaemiso-Koubou (Takano Hayato)] Yuunagi Maihime - Takano Hayato CG Shuu Vol.5 (Various)
(Puniket 3) [Sirene (Nagahama Kenji, Dr.Mad)] Hybrid Puni Puni 01 (Ojamajo Doremi, Ecoko)
(CR30) [Yasyokutei (Akazaki Yasuma)] Mekabu DA Haa! (Various)
(C60) [Uropyon (Urotan)] Eco Splash 3 (Ecoko) [Korean]
(SC11) [Urakata Honpo (Sink)] Urabambi Special Edition Vol. 1 (Ojamajo Doremi, Ecoko)
(C66) [Uropyon (Urotan)] Eco Splash 5 (Ecoko) [Russian] [Nik, Leri]
(C66) [Uropyon (Urotan)] Eco Splash 5 (Ecoko) [English] [Laces]
(C57) [multi★task! (Takeyabu)] ECO Millennium!! (Ecoko)
[Furaipan Daimaou - ふらいぱん大魔王] Ecoco no Heon - えここの絵本 (Ecoco) [Lolicon]