Somehow became Akane Tooi. Real name unknown. The straight man/tsukkomi.

His catchphrase is "Tooi! Let's start over!!" He's basically a stalker.

Has eighth-grader syndrome (chuunibyou). Tsundere. "My name is the Jet-Black Darkness... Lord Satan!"

Tooi's best-friend figure. A gentle older-sister type. "Oh my? Whatever is the matter?"

A stalker who is obsessed with Otaku-kun. She's cute, but her actions are bizarre. "The other day, Otaku-kun's..." "You know, you can actually eat toilet seat covers?"

Name read as Otaku Hideki. Refers to others as "-shi." "Tooi-shi, the Affection Lens! With this, you can see everyone's affection levels!" "Momo-shi, Jel-shi, Satan-shi, Sensei, Tooi-shi!"

Name read as Minamoto Kenichi. Homeroom teacher of Jel's class at Wakuru High. Kind, sometimes funny. "Alright you lot, class is starting." "Kenichi Minamoto was my name lol." "Yes! It's time! The Academic King Deciding Battle!"

Name read as Tooi Akemi. Tooi's kind mother. Lives with her noisy husband.

Name read as Tooi Junpei. The noisy father. His breath smells so baaaaad!