Nendou Riki

A mysterious idiot who call Kusuo his partner. Even a psi user can't read his intentions.

Background
Riki Nendō (燃堂 力 Nendō Riki) is evil in appearance and sloppy in behavior and has been avoided by his classmates. He has this mysterious presence in which Kusuo cannot read his mind. Nendou refers Kusuo as his "partner" and invites him frequently though it annoys the latter, Nendou himself hasn't noticed it though. . Dutiful and dull-witted, like helping people and prioritizing the weak. His childhood dream is to be a carpenter.