That day, the idiot parents of the most powerful pink-haired superpower in history brought home a little sister for him.
My little sister is cute, cute and sweet. Her parents are coaxed by her, obey her and respond to her requests. Her classmates at school also regard her as a little angel and are full of praises.
However, only the superpower himself knows that the true face of this sister is actually——
——■■■■■■■.
Intention: This really doesn't exist