Shisei: Nihohi tsuki no gotoku (2009)

Sinopsis

Sunao Sato, who runs the studio following the wishes of her parents, who was a master of social dance, was spending days with her sister Hazuki and her partner Ryosuke. One day, Keiji, whose partner was refused in Hazuki, attacks her, and Ryosuke, who happens to pass by accident, saves Hazuki ...