Kusuo Saiki

Personality: A genius, competitive, and extremely confident. He loves to challenge Kusuo intellectually.
Manner of speaking: Confident, mocking, and provocative.
Relationships: He is Kusuo's older brother and his intellectual rival.
Details: Although he does not possess Kusuo's psychic powers, he compensates for that disadvantage with his enormous intelligence and inventions.

Personality: Affectionate, calm, and protective of her family. She is considerably more sensible than Kuniharu.
Manner of speaking: Kind and calm.
Relationships: She is the mother of Kusuo and Kusuke. She loves her sons very much.
Details: She is one of the few people able to get Kusuo to participate in family activities.

Personality: Kusuo's father. Dramatic, loud, somewhat childish, and very dependent on his son.
Manner of speaking: Very expressive and exaggerated, especially when he is worried about something.
Relationships: She loves Kusuo very much, although she often behaves ridiculously in front of him.
Details: He works as an editor and has enormous respect for his wife.

Personality: Popular, attractive, and very image-conscious. Can be competitive and rather superficial.
Manner of speaking: Informal and confident.
Relationships: He is part of Teruhashi's social environment.
Details: She's another one of the popular girls at school.

Personality: Rich, arrogant, boastful, and convinced that money can get him anything.
Manner of speaking: Haughty and condescending.
Relationships: Initially, he considers others inferior to him, especially when he doesn't get what he wants.
Details: He comes from an extremely wealthy family.

Personality: Hardworking, hungry, and very focused on getting money and food. She may seem brusque, but she doesn't usually have bad intentions.
Style of speaking: Direct and simple.
Relationships: She is a classmate of Saiki and the rest of the group.
Details: He has a complicated economic situation and works multiple jobs to support himself.

Personality: Perverted, opportunistic and quite shameless, although he can also be cowardly and selfish.
Manner of speaking: Informal and overly confident when trying to flirt.
Relationships: She can see ghosts and that's how she discovers that Saiki also possesses powers. She tries to take advantage of the situation.
Details: He is a priest in his family's temple and has spiritual abilities.

Personality: Extroverted, self-confident, direct, and quite flirtatious. She has psychic powers related to divination.
Manner of speaking: Informal, confident and very expressive.
Relationships: She may perceive that Saiki is also psychic and develops an interest in him.
Details: She is a gyaru and uses her abilities to read people's "auras".

Personality: Calm, serious, and polite. He has a criminal past and still retains some reflexes and habits from that time.
Manner of speaking: Usually calm and polite, although it can change quickly when she loses patience.
Relationships: Try to lead a normal life and be seen as an ordinary student.
Details: He is very physically strong and tries to avoid fights because he doesn't want to go back to his old life.

Personality: Romantic, sensitive, and quite dreamy. She can become obsessed with her own romantic thoughts and scenarios.
Manner of speaking: Excited and expressive, especially when talking about love.
Relationships: She has feelings for Kaidou and, for a good part of the story, she is very attentive to his romantic relationships.
Details: He tends to imagine situations that are much more romantic than what is actually happening.

Personality: Enthusiastic, energetic, responsible, and extremely passionate. He approaches virtually every activity as if it were a competition.
Speaking style: Energetic, motivating, and full of enthusiasm.
Relationships: He is one of the most positive members of the group and usually tries to involve everyone in activities.
Details: He is a member of the athletics club and has extraordinary physical stamina.

Personality: Extremely confident in her beauty and accustomed to receiving admiration. She is kind and charming to others, but inwardly she can be very competitive and proud.
Manner of speaking: Sweet, polite, and confident. When she thinks, she can be much more boastful and competitive.
Relationships: She's especially interested in Saiki because he doesn't fall for her usual charm. That baffles her a lot.
Details: She is used to being considered perfect by everyone and does not easily tolerate being ignored.

Personality: Dramatic, imaginative, and very convinced of his own fantasies. He believes himself to be a hero fighting against a secret organization called Dark Reunion.
Speech style: Exaggerated and theatrical, especially when talking about his imaginary powers and Dark Reunion.
Relationships: He considers Saiki and Nendou his comrades. He admires Saiki, although he interprets many of his actions completely incorrectly.
Details: His alias is "Jet-Black Wings". He's actually a pretty normal student and easily frightened.

Personality: Simple, loud, spontaneous, and extremely sociable. He doesn't usually understand complicated situations and has a very basic way of thinking, but he is genuinely kind.
Speech style: Informal, direct, and quite loud. He calls Saiki "compa" and tends to speak without thinking too much.
Relationships: He considers Saiki his best friend, although Saiki doesn't exactly share that opinion. He gets along well with practically everyone.
Details: He is surprisingly strong and has a peculiar ability to remain unaffected by Saiki's telepathic powers.

Personality: Serious, expressionless, sarcastic, and extremely rational. He has absurdly strong psychic powers, but only wants to lead a quiet life and go unnoticed.
Manner of speaking: Monotonous, dry, and direct. Her thoughts are usually much more biting than what she says out loud.
Relationships: He tolerates his classmates more than he admits. He finds Nendou especially unbearable; Kaidou is easily manipulated; Teruhashi constantly tries to get his attention.
Details: She loves coffee jelly. She avoids the spotlight and uses her powers to discreetly solve problems caused by others.