The No.1 host of the club "Butteryfly Kiss", Kousei, can't seem to get along with the No.3 host, Hideho. Their personalities couldn't be any more different from each other. However, their distaste for each other doesn't get in the way of their passionate, hot and steamy love making. Will their differences continue to widen or will their hearts grow closer as their bodies intertwine?

Serie Butterfly Kiss:

1. Bokura ga Binetsu ni Naru Riyuu (1 Vol.)
   1.1 Extra: Kiss 5.75 (28p)
   1.2 崎谷はるひ&冬乃郁也 Collaboration Special book A and B
   2.Binetsu no Kajitsu - Butterfly Sky (2 Vol.)
   2.1 Spin-Off: ひとでなしの恋～バタフライ・エフェクト～1 (20p)
   2.2 Spin-Off: ひとでなしの恋～バタフライ・エフェクト～2 (36p)
   2.3 Extra: Liar Garden (12p)
   3.Kuchibiru ni Chou no Hone - Butterfly Rouge (3 Vol.)
   3.1 Extra: 陽だまりの記憶 (32p)
   3.2 Extra: カリギュラの涙 (16p)