Nezu

Background
Nezu is a reincarnated japanese people in Weasel Empire that later become a Demon Lord. He was bound by the emperor's [Geass] and got imprisoned in the experimental institution.

He has a pet squirrel call it Hamsaemon, he picked up in the forest.

Phantasmal Labyrinth
He lives in Phantasmal Labyrinth together with Kazura the Weasel Demon Lord.

Unique Skills
[Unnamed] (has an unnamed skill that allows him to transform into other creatures)