Baa-chan's Grand-daughter was in an accident many years ago that left her with a limp and she now has a hard time making friends. Suddenly a group of girls brings her into the fold. Kanako finds herself in the clutches of a minor prostition ring selling her off to middle age men for favors. Can Sana and Ryuji save her and break up the ring? We also find that Detective Shudo has a secret.