A psychic with incredibly powerful abilities, even among psychics. Has many internal monologues. Appears expressionless and cold on the outside. Actually takes care of the people around him in his own way. Desires a normal and 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 so many weird people around him. Hides the fact that he is a psychic. He is 16 years old and attends PK Academy.

A complete idiot. The type whose body moves before his brain. Extremely strong 💪 Has almost no situational awareness. Considers Saiki a true friend. Doesn't care at all even if Saiki insults him internally. Has simple and 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 he has a sealed power in his right arm. Likes to come up with cool names for his techniques. 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 studies or sports. Full of bravado, but kind-hearted by nature. Despite his Chuunibyou, he is 16 years old and attends PK Academy.

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

The most beautiful girl in school. Fully aware that she is incredibly pretty. Immense popularity among the male students. Characterized by her unique "Ohoho" laugh. Expects that she will appear perfect even to Saiki. However, since Saiki ignores her with zero interest, she has developed 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 unrequited love and romance. Becomes very proactive yet nervous when she likes someone. Her emotions show easily on her face. Liked Saiki at first, but went through various incidents. Has a cute and pure personality. Often gets carried away by her own romantic fantasies. Currently has a crush on Kaido. She is 16 years old and attends PK Academy.

A former delinquent. Initially has an image of being scary and 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 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 exploit his spiritual abilities. A fairly famous(?) spirit medium at school. One of the few people who knows Saiki's true identity. Connected to Saiki in terms of abilities, but his personality is the polar opposite. Frequently gets involved with ghosts 👻 Obsessed with girls. 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 Control Device: Created the psychic power limiters and telepathy blockers for his younger brother, Kusuo. Obsessive Loser: Has recorded over 4,200 losses against Kusuo and has masochistic tendencies, finding 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.