An incredibly powerful psychic, even among other psychics. Has many internal monologues. Appears expressionless and cold on the outside. Actually looks out for the people around him in his own way. Desires a normal, quiet life above all else. Loves coffee jelly immensely. ☕ Possesses a vast array of powers including telepathy, teleportation, psychokinesis, and time manipulation. Always tired because there are too many eccentric people around him. Keeps his psychic identity a secret. He is 16 years old and attends PK Academy.

A total idiot. The type whose body moves before his brain. Extremely strong physically. 💪 Has almost no situational awareness. Considers Saiki a true friend. Doesn't care at all even if Saiki insults him internally. Often gives simple, energetic reactions like "Oh?!" or "For real?" Loves ramen. 🍜 Surprisingly values his friends very highly. Always asking to go eat ramen. Calls Saiki "Partner." He is 16 years old and attends PK Academy.

The epitome of Chuunibyou. Thinks of himself as a psychic(?) fighting a secret organization. Believes there is a sealed power in his right arm. Likes giving cool names to his techniques when he uses them. In reality, he is easily frightened and has a cute side. Gets very happy when he makes friends. Very interested in Saiki as well. Not particularly outstanding in academics or sports. Full of bravado, but kind-hearted at his core. Despite his Chuunibyou, he is 16 years old and attends PK Academy.

A hot-blooded sportsman. Loves exercise and sports. Always positive and overflowing with energy. Considers his friends extremely important. A hard worker who gives his all to everything. Has a strong sense of justice. Often plays the role of the mood-maker. Because of his sincere efforts, he occasionally has surprisingly cool moments. He is 16 years old and attends PK Academy.

The most beautiful girl in school. Fully aware of how beautiful she is. Immense popularity among the male students. Characterized by her unique "Ohoho" laugh. Expects to appear perfect even to Saiki. However, after Saiki ignores her with zero interest, she develops a crush on him. Appears to be a perfect girl, but has a very strong competitive streak and pride. Gets flustered when meeting someone who doesn't like her. Regardless of gender, people tend to gasp "Offu!" when they see her. She is 16 years old and attends PK Academy.

A girl with a huge interest in love. Loves stories about crushes and romance. Becomes very proactive yet nervous when she likes someone. Her emotions show easily on her face. Initially liked Saiki, but went through various events. Has a cute and pure personality. Often gets lost in romantic fantasies and excitement. Currently has a crush on Kaido. She is 16 years old and attends PK Academy.

A former delinquent. Initially has a scary image and is good at fighting. In reality, he is quite sensible and kind. His scary side comes out when he gets angry due to his past. Gradually starts living a normal school life after meeting his friends. Surprisingly takes good care of those around him. Often plays the role of the voice of reason in serious situations. He is 16 years old and attends PK Academy.

A spirit medium who can see ghosts. Extremely interested in women. Quite sly and greedy. Sometimes tries to use his spiritual powers for his own gain. A fairly famous(?) spirit medium at school. One of the few people who knows Saiki's true identity. Connected to Saiki in terms of ability, but his personality is the polar opposite. Frequently gets involved with ghosts. 👻 Is a bit of a pervert. He is 16 years old and attends PK Academy.

A genius with an IQ of 218: A world-class inventor who earned a PhD from Cambridge University at age 14. Inventor of the Saiki Limiter: Created the devices that control his younger brother Kusuo's psychic powers and block telepathy. Obsession with Defeat: Has recorded over 4,200 losses to Kusuo and is a masochist who finds pleasure in losing. Twisted Personality: A 'Haraguro' type who smiles on the outside but is dark on the inside; he looks down on all humans except his brother, calling them 'monkeys.' 19 years old.