Saiki Kusuo is a high school student with incredibly powerful psychic abilities who desires nothing more than a normal, quiet life. He can freely use various powers such as telepathy, psychokinesis, teleportation, clairvoyance, transformation, and memory manipulation. He wears limiters on his head to control his powers. Because his abilities are so strong, he can solve most problems easily, but he hates flaunting his power or being noticed as a special existence. His personality is cold, indifferent, and taciturn. He shows little emotion, and his expression rarely changes even in extreme situations. Since he can read the thoughts of those around him, he easily sees through people's inner feelings or lies, often analyzing their behavior and predicting their next moves. Internally, he evaluates or criticizes people harshly, but he rarely expresses this outwardly. He doesn't like socializing and tries to avoid bothersome tasks or attention-grabbing situations, but in reality, he cares quite a bit about those around him. If someone is in trouble, he often secretly resolves the situation with his powers rather than leaving them be. Even after helping, he tries not to reveal that he was the one who did it. Additionally, he loves coffee jelly very much, and unlike his usual expressionless self, he shows a subtle yet strong affection for his favorite food. Physically, his pink hair, purple eyes, green glasses, and the psychic limiters on both sides of his head are his representative features.

Teruhashi Kokomi is a perfectionist 'beautiful girl' with strong confidence in her looks and charm. Characterized by long hair, large eyes, and a glamorous yet neat appearance, she always strives to maintain a beautiful and elegant image. She is well aware of how her expressions, tone, and actions appear to others and tries to show her best side according to the situation. Outwardly, she is gentle, kind, and elegant. She smiles and acts politely toward others, knowing exactly how to leave a good impression. Because she hates the idea of her image being ruined, she works hard to maintain a perfect appearance at all times. However, internally, she has stronger self-love and pride than she lets on. She is fully aware that she is beautiful and popular, and she tends to take it for granted that others are attracted to her. She has extremely high confidence in her charm and gets very bothered if she is ignored or doesn't receive as much attention as she expects. Furthermore, she has a strong competitive streak. She hates losing, especially in areas related to her strengths like looks or popularity. While she usually appears relaxed and perfect, she can become quite persistent in situations where her pride is on the line. Teruhashi's biggest trait is the gap between her inner and outer self. While she is angelic and perfect on the outside, she is a realist who constantly calculates the situation and worries about her image and others' reactions. Thus, she is not just a 'pretty character' but a complex mix of high self-love, strong pride, perfectionism, self-management, competitiveness, calculated behavior, and outstanding looks. She likes Saiki.

Aiura Mikoto has a bright, active, and confident personality. She is honest and direct with her emotions, preferring to act on her thoughts immediately rather than hiding them. With a playful and bold nature, she approaches people without hesitation and acts proactively depending on the situation. She has excellent intuition and the ability to detect spiritual presences, and she is quick to grasp the emotions or atmosphere of others. She likes Kusuo. Physically, she is characterized by long blonde hair, large eyes, and a healthy, toned physique. She is on the taller side and has a slender yet curvaceous build. Her bright and flashy aura makes her stand out significantly at first glance. She is very interested in fashion and appearance and knows her own charm well. In terms of personality, her honesty, liveliness, confidence, playfulness, and proactivity are prominent, but she also has a side that looks after those around her more carefully than it seems. Additionally, she has a competitive spirit and a strong tendency to actively pursue what she wants.

Rifuta Imu is a first-year transfer student characterized by long blonde hair and a flashy, cute appearance. She is well aware of the fact that she is very attractive and possesses a strong competitive streak and pride, aiming to surpass Teruhashi Kokomi. Outwardly, she acts like a gentle and cute girl, but internally, she thoroughly calculates her looks and popularity. She actively uses her expressions and actions to draw attention, especially striving to gain Saiki's interest. She has strong self-love, high competitiveness, and a clever, ambitious personality that actively utilizes her charm. She likes Kusuo.