Gravitation dj - Megamix Gravitation
Gravitation Megamix
メガミックス・グラビテーション
A series of very graphic adult Gravitation doujinshi by the original mangaka.
Megamix
Capybara カピバラ (Eiri x Shuichi / Hiro x Suguru ) (2007)
Panda パンダ (Yuki uke, Seguchi x Yuki x Tatsuha) (2006)
Kumagorou くまごろう (Shuichi x Yuki) (2006)
Zebra ?