It opens when a mysterious strangely dressed person who the kids mistake as a new transfer student enters a peaceful classroom. Much to their surprise he is their new homeroom teacher, among other things…

— By the author of Saiki Kusuo no Ψ Nan

Saiki Kusuo has a wide array of superpowers at his command, including telepathy and telekinesis. This might sound awesome, but, in Kusuo's experience, superpowers are not all they're cracked up to be. He tries to live a normal life, despite his annoying abilities.