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 was first introduced in Volume 0 as a bully who frequently take Kusuo's notes but after he was framed as a thief, Riki went friendly with Kusuo. 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.