when a new gang in Central Tokyo hears about Kuryu trying to take over S W.O.R.D, the badass leader Y/N decides to re-vissit her old nemesis. she won't let him take over another place and spread his evilness anywhere else , not after what he did to her. she sets out to seek revenge with her gang and finish the battle he started when she was only young. If only he knew what she has against him.......

(Y/N) Komori and her sister, Yui, come to the mansion of the Sakamaki at their father's orders. Once they arrive at the mansion, they are faced with six brothers who creep them out on their first encounter. As they try to run away from them, they also find out secrets about them.