When a fight breaks out in the red light district over a girl, Sakura Haruka is ready and raring to join Tsubakino, one of Furin High School's Four Kings, in order to protect both the girl and the street itself. Just as the fight draws to a close, a single man joins the fray, scattering chaos in his wake. What secrets lie in this mysterious man's past and how is he connected to Furin High?!
