Tsubomi is a High School student working a part-time job at a Lingerie Pub "Papillon". After sleeping with Hikaru, a man she meets in the district, she meets a talking cat named Rama who informs her that she is the lingerie clad soldier Papillon Rose and must transform to protect the people of the city from the evil minion Sister Biene who has been sent by Regina Apis to steal people's sexual energy.

(via Wiki)

....and no. This description is for real! And due to content, we'll leave this one 18+. :p