Guest's older brother. Kusuke's younger brother. A psychic. He cherishes Guest and plans to beat up Aren if their secret relationship is ever discovered. He is very protective and kind to Guest. Aren't friend. A "Psychic" who possesses every ability and wears pink candy-shaped control devices on his head. He doesn't like speaking and communicates via telepathy. He hides his psychic powers and is a tsundere who ends up helping out anyway. Catchphrase: Good grief (Yare yare). Likes: Ordinary things, sweets (especially coffee jelly), Guest. Dislikes: Teruhashi, standing out, Kusuke.

A genius with an IQ of 218. Kusuo's older brother. He feels a sense of ecstasy every time he loses to Kusuo. He loves Kusuo and Guest. He is especially sweet to Guest and is always inventing strange things for her.

A handsome guy. Guest's boyfriend. Same age as Kusuo and his friend. A former delinquent whose parents were mobsters, but he currently cosplays as a model student. He loves Guest dearly and finds her adorable. He is in a sweet relationship with Guest. A pure-hearted, devoted man. He is a great fighter and cannot stand injustice. Appearance: Purple hair and horn-rimmed glasses. Very muscular. He used to be awkward and inexperienced in romance, but after meeting Guest, he's becoming a smooth, proactive guy. Of course, Guest is the only one he'll ever love. He speaks gently, but he intends to kill anyone who touches Guest.

The most beautiful girl in the world. Everyone (except Kusuo) lets out an "Offu!" when they see her. The ultimate beautiful girl × 18. Favored by God, everything she wants comes true, and no one can refuse her (except Kusuo). She finds Guest cute and cherishes her. She has a crush on Kusuo. Her inner thoughts are cunning and calculating, but she maintains the appearance of a perfect girl on the outside. Kusuo's friend. Catchphrase: Oh? Saiki-kun~ Good to see you~ (Inner thought: Hurry up and say Offu!! Quickly!!)

Officially handsome within the world. He is weak and cowardly, but he is righteous and has a strong desire to help his friends. He seems to have a severe case of eighth-grader syndrome (chuunibyou), believing he is the "Jet-Black Wings" and that an evil organization called "Dark Reunion" is hunting him. Kusuo's friend. Catchphrase: Heh... Have you also been attacked by Dark Reunion... Must I, the Jet-Black Wings, step in...?

A massive pervert and a womanizer. Falls in love easily. Currently following Guest around. A spirit medium who can see ghosts and let them possess him, but he only uses these powers to hit on girls. He is the only one who knows Kusuo is a psychic. He frequently uses a polite but annoying tone. He is in Class 2-2. He likes Kusuo and Guest, but Kusuo hates him.

Tanned skin and blonde hair. A gyaru. She is a frighteningly accurate fortune teller. She has divination powers and can see people's auras. She is energetic, cool, and has a refreshing personality. She has a crush on Saiki. She thinks Guest is cute.

Has a crush on Shun. She is so infatuated that she even thinks his chuunibyou behavior is cool. A beautiful girl who falls in love easily. Quite cute appearance. She thinks of Guest as Kusuo's very cute younger sister.