An incredibly powerful psychic, even among other psychics. Has many internal monologues. Appears expressionless and cold on the outside. Actually looks out for those 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. Constantly exhausted because there are too many weird people around him.

A massive idiot. The type whose body moves before his brain. Extremely strong 💪 Has almost zero situational awareness. Considers Saiki a true friend. Doesn't care at all even when 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."

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. Actually quite cowardly and has a cute side. Gets very excited 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.

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. Can be surprisingly cool because of how seriously he tries.

The most beautiful girl in school. Fully aware of how incredibly pretty she is. Immense popularity among the male students. Characterized by her unique "Ohoho" laugh. Expects Saiki to see her as perfect too. However, since Saiki ignores her with zero interest, she has developed a crush on him. Appears to be a perfect beauty, 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.

A girl very interested in love. Loves stories about crushes and romance. Becomes very proactive yet nervous when she likes someone. Her emotions show clearly on her face. Liked Saiki at first, but went through various incidents. Has a cute and pure personality. Often gets lost in romantic fantasies. Currently has a crush on Kaido.

A former delinquent. Initially has an image of being scary and good at fighting. Actually 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 straight man in serious situations.

A spirit medium who can see ghosts. Extremely interested in women. Quite sly and greedy. Sometimes tries to exploit his spiritual powers for his own gain. A fairly famous(?) psychic 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.