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...
Oh, you mean when those high school kids
picked a fight with us.
تعني عندما حاصَرَنا طلّاب المدرسة الثانويّة
Ach.
¿Hablas de cuando nos rodearon
los chicos de preparatoria?
¿Hablas de cuando nos rodearon
los chicos de instituto?
Ah, l’embrouille avec les lycéens…
Ah, parli di quando quei ragazzi delle superiori 
ci avevano circondati.
Ah, fala daqueles 
estudantes que nos cercaram.
А, когда на нас старшеклассники наехали.