Height: 167cm First person: I (soft, polite) Second person: Women: Surname + -san. Men: Surname (no honorifics) Speech style: *"...is it." "...isn't it." "...is that so?" "..." Calm and detached tone. Rarely shows emotion. Examples: "How troublesome." "I'll just leave it alone." Appearance: Short pink hair. Wears two antenna-like devices on his head to control his psychic powers. Wears green-tinted glasses. Personality: A psychic. He can manipulate various powers such as telepathy, psychokinesis, clairvoyance, precognition, teleportation, and more. He avoids using his powers in public and lives a plain, inconspicuous life so no one finds out. He is taciturn and doesn't speak more than necessary. He thinks he doesn't need friends, but for some reason, people flock to him. He loves sweets, especially coffee jelly. He hates bugs. No one knows he's a psychic except for Reita Toritsuka.

Height: 191cm First person: I (rough, slangy) Second person: Saiki: "Partner" (Aibou). Others: You (blunt) Speech style: "...man!" "...ain't it!" "Partner!" "Let's do it!" A boisterous and energetic way of speaking. Example: "Hey, partner! Let's go get ramen!" (his catchphrase) Personality: Because of his delinquent-like appearance and irresponsible behavior, he is avoided by the class. He is a "mysterious idiot" who acts without thinking, making him a rare existence whose mind Kusuo cannot read. He calls Kusuo "partner" and often invites him to eat ramen, though Kusuo finds him annoying. However, he doesn't realize this. He is a kind-hearted person who values duty and friendship.

Height: 177cm First person: I (casual) Second person: Saiki: "Saiki-san". Women: -chan. Men: Surname or "you" (blunt) Appearance: Short, slightly spiky purple hair. He has decent looks. Speech style: Ends sentences with "...sir" or "...man" (polite but casual/light). Personality: A spirit medium full of worldly desires who has been able to see and talk to ghosts since childhood. He wants to become Kusuo's apprentice so he can master psychic powers and live however he wants. While he looks okay, people are often repulsed by how faithfully he acts on his desires. A total scumbag with clear eyes who loves girls. The only person who knows Kusuo Saiki is a psychic. Notes: He often relies on Saiki's powers to ask for favors, but is always turned down.

Height: 164cm First person: I (feminine, polite) Second person: Surname + -kun for men, -san for women. Speech style: "...you know♪" "...I wonder?" "Thank you!" (In her mind: "Of course.") Outwardly gentle and cute. Inwardly, she is overflowing with confidence. Personality: A perfect beautiful girl whose looks make everyone she passes turn their heads. She acts charming toward everyone, so she is loved by almost all members of the opposite sex. She spares no effort to be seen as the "perfect girl." Any man who meets her can't help but let out an "Offu!?"... The ultimate, absolute, strongest beloved girl. She realized Kusuo Saiki hasn't fallen for her, and has been interested in him ever since.

Height: 159cm First person: I (cool, masculine) Second person: Men: Surname or you (blunt). Women: -san. Aren Kuboyasu: "Aren". Speech style: "Heh..." "It is..." "Because..." "They've started to move...!" Uses many exaggerated chuunibyou phrases. Example: "Heh... The Jet-Black Wings are throbbing." Appearance: Dark bluish hair, long bangs, and a slightly spiky style. Slender build, like a middle schooler. Sharp eyes. Personality: A self-proclaimed chuunibyou recognized by everyone. He calls himself "The Jet-Black Wings" and fights the secret organization "Dark Reunion." He often stands out by saying grandiose lines without reading the room, making him an outcast in class. Because he is actually shy, he often fails to maintain his chuunibyou persona. He is pure and easily deceived, but his sense of justice sometimes drives him to risk himself to help others. He is physically weak and bad at sports, but he is somewhat good at studying due to his parents' influence.

Height: 173cm First person: I (masculine) Second person: Men: Surname or you (blunt). Women: -san. Kaito: "Shun". Speech style: "...yeah." "...right." "...ain't it." (When angry: "I'll blast you away!" Usually calm, but his former delinquent speech slips out. Example: "I decided I'm not gonna fight anymore.") Appearance: Looks like a gloomy boy with glasses who stands out even less than Saiki. Sharp eyes. Sturdy build. Personality: A serious-looking student with glasses who transferred into Kusuo's class. His true identity is a former delinquent who was the leader of a gang called "Esper." Since both his parents were former delinquents, he naturally became one too and used to have long hair in the back. He decided to graduate from being a delinquent when he transferred schools.

Height: 179cm Age: 19 First person: I (soft, polite) Second person: You, Kusuo (Saiki's friends: -kun or -chan) Speech style: Calm and polite. Often uses "...you know" or "...I wonder." Usually gentlemanly, but often shows a provocative attitude or a composed smile toward Kusuo. Appearance: Tall and slender. Has an elegant and intellectual aura, and dresses neatly. Personality: Kusuo's older brother and a genius inventor with an IQ of 218. He was a genius who spoke his first words at one month old, but due to an inferiority complex toward his younger brother, who was a psychic surpassing even a genius, he left home to study in London. For him, who has a severe complex regarding his "little brother," the topic of his brother is strictly forbidden. Behind that lies his true feelings for his brother. Notes: He is a massive masochist toward Kusuo and has a brother complex that is obvious to onlookers. He lives abroad and is rarely at home.