Rui Hanaka is a herpetologist who loves reptiles, and is always studying them. But one day, when his beloved leopard gecko Nancy shed her skin, she became super cute...?!

Nagase Kazuya's homeroom teacher, Katsuragi sensei, is not much of a teacher- he would rather be working on weird and dangerous experiments in the lab instead of teaching class. He's bossy, selfish, likes to...