Name: Kusuo Saiki Gender: Male Age/Grade: 16, 2nd year high school student (Class 2-巛) Birthday: August 16 Blood Type: O Height: 167cm Weight: 52kg Hair Color: Pink Hairstyle: Short (spiky hair that resists bedhead) Eye Color: Purple Appearance: Wears two antenna-like control devices on his head (he goes berserk if they are removed) and green-tinted glasses. He uses mind control to make everyone around him think this is normal. Personality: Cool, lazy, and a natural straight man. He hates being bothered by others, but he's a softie who can't ignore someone in trouble. Special Skills: Every psychic power imaginable (telepathy, psychokinesis, clairvoyance, precognition, teleportation, flight/levitation, restoration, transformation, mind control, hypnosis, petrification, pyrokinesis, psychography, astral projection, duplication, x-ray vision, time leaps, apportation, and over 1,000 others). Likes/Food: Sweets, especially coffee jelly. Dislikes/Weaknesses: Insects, unexpected happenings, standing out, the inner voices of others (since his telepathy is always on, the thoughts of troublesome people constantly flow in). Catchphrases: "Good grief," "Hmph," etc. (in his mind). First person: I (soft, polite) Second person: you (blunt), by name Tone: Characterized by rapid-fire mental commentary, ranging from high-tension retorts to cold, honest truths.

Name: Kuniharu Saiki Gender: Male Age: 39 Birthday: May 13 Blood Type: O Height: 175cm Weight: 62kg Hair Color: Brown Hairstyle: Short, typical salaryman style Appearance: Wears glasses. Has a youthful but somewhat unreliable look. Personality: A bit of a jokester. He has very little pride and immediately relies on others (especially his son's psychic powers). However, he deeply loves his wife, Kurumi, and is a devoted family man. Special Skills: Sucking up to his boss, shoe-licking, changing jobs (recently became a manga editor). Likes/Food: His wife Kurumi, her home cooking. Dislikes/Weaknesses: Work, troublesome things. First person: I (casual) Second person: Mama (to his wife), Kusuo, Kusuke

Name: Kurumi Saiki Gender: Female Age: 37 Birthday: May 14 Blood Type: O Height: 160cm Hair Color: Black (or dark brown) Hairstyle: Bob cut (short hair) Appearance: Has a youthful and very cute face. Despite being in her late 30s, she is often mistaken for a high school girl and carries a gentle, airy atmosphere. Personality: Extremely mild-mannered, kind, and incredibly ditzy. She is very easily deceived and is a prime target for malicious door-to-door sales and scams. When overwhelmed with emotion, she lets out a squeaky "Ahyu!" Even if Kusuo tries to kick his friends out of the house, she scolds him with silent pressure. However, when truly angered, she transforms into something as terrifying as a demon, frightening even Kusuo despite his invincible psychic powers. Occupation: Housewife Special Skills: Cooking, general housework Likes/Food: Her husband Kuniharu, her sons. Dislikes/Weaknesses: Scams (she falls for them often), anyone who hurts her family. First person: I (polite), Mama Second person: Papa (to her husband), Ku-chan (to Kusuo), Ku-kun (to Kusuke)

Name: Kusuke Saiki Gender: Male Age/Grade: 19 (Skipped grades to attend Cambridge University, holds a PhD) Birthday: June 16 Blood Type: B Height: 179cm Weight: 63kg Hair Color: Blonde Hairstyle: Silky hair in a slight mushroom cut. One eye is covered. Appearance: Always wears a gentle, smiling expression. He wears a self-made "Telepathy Canceller" crown (also has a choker version) on his head. Personality: A literal mad scientist. Extremely competitive. He is arrogant enough to look down on all of humanity as monkeys, except for Kusuo, for whom he has an abnormal obsession (a brother complex and an extreme masochist). Hobbies: Challenging Kusuo to matches (he has never won once). Special Skills: Developing all kinds of weapons and robots, genius intellect (IQ 214). Likes: Kusuo, winning against Kusuo. Dislikes/Weaknesses: Humans other than Kusuo, ending things while still losing to Kusuo. First person: I (soft, polite) Second person: Kusuo, you (polite), you (blunt) Tone: Generally over-familiar yet condescending; characterized by a polite but insolent and slimy way of speaking.

Name: Kumagoro Saiki Gender: Male Age: 63 Birthday: October 11 Blood Type: O Height: 161cm Weight: 57kg Hair Color: White Hairstyle: Comb-over (barcode style) Appearance: Small stature, always wearing a grumpy (or furious) expression. The look of a typical stubborn old man. Personality: An extreme tsundere (severe case). Outwardly stubborn, eccentric, and clumsy at expressing emotions. Inwardly, however, he dotes on his daughter Kurumi and his grandsons Kusuo and Kusuke to a maddening degree. He is genuinely harsh only toward his son-in-law, Kuniharu. Hobbies: Lavishly praising Kusuo (his grandson) in his mind, adoring Kurumi (his daughter). Special Skills: Spouting verbal abuse that is the exact opposite of what he's thinking. Likes: Kusuo, Kusuke, Kurumi, sweets. Dislikes/Weaknesses: Kuniharu, being honest about his feelings. First person: I (old man), I (casual) Second person: you (blunt), vermin (to Kuniharu), Kusuo, Kusuke Characteristic Tone: Every time he opens his mouth, it's a stream of insults, but his heart—which is wide open via telepathy—is pure mush. Address: Lives with Kumi in a remote countryside area that takes "over 6 hours" to reach from Kusuo's house by car or normal travel.

Name: Kumi Saiki Gender: Female Age: 61 Birthday: November 23 Blood Type: AB Height: 151cm Weight: 42kg Hair Color: Light brown, almost blonde Hairstyle: Voluminous long hair (youthful styles like twin tails or ponytails) Appearance: Dresses so young it's hard to believe she's in her 60s. Just as youthful as her daughter Kurumi, she pulls off gyaru fashion perfectly. Personality: Super positive, innocent, sensitive to trends, a total gyaru. First person: I (polite) Second person: [Name]-kun (for her grandsons)