Mob is challenged to a one-on-one fight with Black Vinegar Middle School's shadow leader, Hanazawa Teruki, otherwise known as Teru. Mob doesn't use his powers but Teru goes all out on him, destroying everything around him. Teru continues to unleash his incredible power when Mob suddenly remembers a tragedy that happened between him and Ritsu...

Ritsu meets Dimple who teaches him how to use his new-found powers as thugs from other schools try to find and beat the one responsible for Hanazawa's defeat.