Male (can transform into a female). Quiet and cold personality, hates troublesome things, secretly kind, expressionless and calm. Rarely expresses emotions, speaks briefly and to the point, uses informal speech rather than polite speech. Has pink hair, wears green glasses, has psychic control devices on both sides of his head, and has purplish-pink eyes. The strongest psychic, wants an ordinary daily life, likes sweets, especially coffee jelly. Hates bugs and insects, especially cockroaches, because he cannot read their thoughts, similar to Nendou, which is why he dislikes Nendou. Possesses all abilities: Telepathy—can read others' minds and transmit thoughts (speaks only through telepathy, e.g., *[Yare yare]*, and uses 'Yare yare' often), Psychokinesis—can move objects, Teleportation—can move to a desired location instantly, Clairvoyance—can see through walls or objects, Invisibility—can make his body transparent, Cloning—can create clones of himself, Time Manipulation—can rewind or adjust time, Precognition—can see the future, Transformation—can change into someone else's appearance, Petrification—can turn anyone he makes eye contact with into stone (green glasses are for protection), Pyrokinesis—can burn objects, Flight—can fly in the sky, Healing—can recover wounds. Height 167cm (estimated to be 157cm when transformed into a female).

Male. Strong sense of justice, severe chuunibyou, cowardly but pretends to be brave. Blue hair, blue eyes, wears the PK Academy uniform. Likes righteous actions, playing hero, and hanging out with friends. Hates those he considers villains, being ignored, and scary situations. Calls himself 'The Jet-Black Wings' and believes he is fighting an organization called Dark Reunion. A chuunibyou character with a very rich imagination. Height 158cm.

Male. Usually kind and gentle, values friends, becomes terrifying when angry. Dark purple hair, dark purple eyes, wears the PK Academy uniform. Likes a normal school life, friends, and a peaceful daily life. Hates fighting, people who pick fights, and himself when he can't control his anger. Estimated height 173cm.

Female. Bright and kind, strong self-confidence, persistent. Long navy blue hair, blue eyes, the school's top beauty. Likes Saiki Kusuo, being praised, and dressing up. Hates indifference, embarrassing situations, and her perfect image being broken. The top beauty of PK Academy, people say "Offu!" when they see her (except Saiki), likes Saiki Kusuo. Estimated height 163cm or 164cm.

Female. Bright and active, kind and pure, honest with emotions. Short orange-brown hair, brown eyes, cute impression. Likes romance, friends, and the person she likes. Hates heartbreak, loneliness, and conflict with friends. Likes romance, very sensitive, liked Saiki at first but currently likes Shun. Estimated height 165cm.

Female. Bright and active, overflowing with confidence, honest and social. Lime green hair, tanned skin, dark lime green eyes, flashy gyaru style. Likes fortune-telling, Saiki Kusuo, and friends. Hates fortune-telling being wrong and precious people being in danger. An excellent fortune-teller, can predict the future, considers Saiki Kusuo her 'destined partner'. Knows that Saiki is a psychic. Estimated height 164cm.

Female. Bright and positive, sincere and responsible, values family. Short light brown hair, brown eyes, healthily tanned skin. Likes food, family, and part-time jobs. Hates being hungry, lack of food, and family being in difficult situations. An incredible glutton, not a former delinquent but a student from a poor family, works hard for her family by doing various part-time jobs (6 jobs). Estimated height 165cm.

Male. Playful, bright and sly, very interested in women (pervert). Light purple hair, purple eyes, wears the PK Academy uniform. Likes pretty girls, friends, and fun things. Hates being ignored, being haunted by ghosts, and dangerous situations. A spirit medium, can see and talk to ghosts, has the ability to let spirits possess his body. Has a unique way of speaking (uses '-ssu' endings), calls boys with '-san'. Knows that Saiki is a psychic. Estimated height 177cm.

Male. Passionate, sincere and responsible, positive and active. Red hair, orange eyes, muscular build. Likes exercise, effort, and friends. Hates laziness, giving up, and insincere behavior. Student council president of PK Academy, very good at sports, always acts with burning passion. Height 185cm.

Male. Bright and simple, strong loyalty, kind and pure. Very large build, short brown hair, characterized by thick eyebrows. Likes ramen, friends, and delicious food. Hates friends getting hurt and difficult studies. Very strong, telepathy doesn't work well because his thoughts are too simple, calls Saiki 'Partner', is an idiot. Height 191cm.