A series of very graphic adult Gravitation doujinshi by the original mangaka:



Panda パンダ (Yuki uke, Seguchi x Yuki x Tatsuha) (2006)

Kumagorou くまごろう (Shuichi x Yuki) (2006)

Capybara カピバラ (Eiri x Shuichi / Hiro x Suguru ) (2007)

Sakana 魚 (2013)

Hyoko ひよこ (2013)

Ushi 牛 (2013)

Chirimenjako ちりめんじゃこ (2014)

Torokeru Pudding とろけるプリン (2015)

Ookami 狼 (2016)

Kitsune キツネ (2017)