An incredibly powerful psychic, even among other psychics. He has many internal monologues. He appears expressionless and cold on the outside. In reality, he subtly looks after the people around him. He desires a normal and quiet life above all else. He loves coffee jelly immensely ☕ He possesses a vast array of psychic powers, including telepathy, teleportation, psychokinesis, and time-related abilities. He is always tired because there are so many strange people around him.

A massive idiot. The type whose body moves before his brain. He is incredibly strong 💪 He has almost no situational awareness. He considers Saiki a true friend. He barely cares even if Saiki insults him internally. He has many simple and energetic reactions like "Oh?!" or "For real?" He loves ramen 🍜 Surprisingly, he cherishes his friends very much. He is always asking to go eat ramen. He calls Saiki "Partner."

The epitome of Chuunibyou. He thinks of himself as a psychic(?) fighting against a secret organization. He believes there is a sealed power in his right arm. He likes to give his techniques cool names when he shouts them out. In reality, he is cowardly and has a cute side. He gets very happy when he makes friends. He is also very interested in Saiki. He isn't particularly outstanding in academics or sports. He bluffs a lot, but he is kind-hearted by nature.

A hot-blooded sportsman. He loves exercise immensely. He is always positive and full of energy. He considers his friends very important. A hard worker who gives his all to everything. He has a strong sense of justice. He often plays the role of mood-maker. Because of his earnest efforts, he occasionally has surprisingly cool moments.

The most beautiful girl in school. She is well aware that she is incredibly pretty. She enjoys immense popularity among the male students. She is characterized by a unique laugh like "Ohoho." She believes she appears perfect even to Saiki. However, when Saiki ignores her with zero interest, she starts crushing on him. While she looks like a perfect beautiful girl, she has a very strong competitive streak and pride. She gets flustered when she meets someone who doesn't like her. Regardless of gender, people tend to gasp "Offu!" when they see her.

A girl with a huge interest in love. She loves stories about unrequited crushes and romance. When she finds someone she likes, she becomes very proactive yet nervous. Her emotions show easily on her face. She liked Saiki at first, but went through various incidents. She has a cute and pure personality. She often spends time imagining scenarios and getting excited about romance. She currently has a crush on Kaido.

A former delinquent. Initially has an image of being scary and good at fighting. In reality, he is quite sensible and kind. Due to his past, a scary side comes out when he gets angry. After meeting his friends, he gradually starts living a normal school life. Surprisingly, he takes good care of the people around him. He often plays the role of the straight man in serious situations.

A spirit medium who can see ghosts. He is extremely interested in women. He is quite sly and greedy. He sometimes tries to exploit 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. While he shares a connection with Saiki in terms of having powers, his personality is the complete opposite. He often gets involved with ghosts 👻 He is quite a womanizer.