Arakuni Ibuki had uncovered the true identity of Kuran Shuto, a traitor hiding in Class 3-4, and thwarted her scheme. Kuran’s father is Soji Kodo, the former young boss of the Jingu Gang. Yearning for the ultimate family, he set up the “Kodo Family,” made up of only his own children, and now he plots to conquer the underworld. His target is, of course, the Jingu Gang boss and his successor candidate, Honeko Akabane. Ibuki completed his bodyguard duties at the school festival, but he was attacked and injured by Yuma Kodo after returning home. The evil hand of the Kodo Family is closing in. And their next target is Soji Kodo’s daughter, Kuran…!