Socially awkward teenager Itou is jealous of her kind, unassuming classmate Takahashi who gets along with everyone. One day, however, she witnesses Takahashi...devour someone whole. It turns out the girl's actually a monster-and one who can blend in with humans, no less! Full of admiration, Itou really, really wants to be her friend. Takahashi begins to teach her how to act "normally," but...will Itou succeed? And what is Takahashi truly after?

Itou just wants to make friends, but she's a socially awkward girl who gets called a monster behind her back. If only she were more like Takahashi! That girl is totally ordinary, gets along with everyone, and...eats people?! In a gruesome turn of events, Itou discovers that her classmate Takahashi is actually a monster who's learned to blend in perfectly with humans. Starstruck, Itou asks to be friends, and Takahashi starts teaching her how to act normal. But what does it really mean to be "normal"? And what is Takahashi truly after...?!