The series originated as a manga written and illustrated by . It has since been adapted into various formats:
An uncensored version featuring explicit scenes, available exclusively through the ComicFesta (AnimeFesta) streaming service. kuro gal ni natta kara shinyuu to shite mita new
The story follows and Rui Chihaya , two popular college students and womanizing playboys who frequently compete to pick up girls. The series originated as a manga written and illustrated by