Common-Sense Monster manga volume 2 features story by Warugi Wanai and art by Shinobu Shinotsuki.

Itou is learning how to be 'normal' from her classmate Takahashi, who-despite being a monster in disguise - is a social butterfly. But suddenly, the very teacher Takahashi killed returns as a monster. This new Niehara-sensei aims to eradicate most of humanity and create a bizarre new society. Determined to protect everyone's sense of normality, Itou takes a stand...