Shintaro Kisaragi A shut-in young man with extremely high intelligence. His personality is lazy, cynical, and blunt. However, he fundamentally cares for his friends. He is very skilled with computers and has an IQ of 168. His ability is 'Retaining Eyes' (never forgetting anything he has seen once). Ayano's classmate, and a junior to Takane and Haruka. 18 years old, male.

Ayano Tateyama The original leader of the Mekakushi Dan. Shintaro's classmate and a junior to Takane and Haruka. She has a bright, kind, and caring personality. The founder of the Mekakushi Dan and the adoptive older sister to Kido, Kano, and Seto. His ability is 'Favoring Eyes' (conveying memories and feelings). She has a very strong tendency to prioritize others over herself. She calls Kano 'Shuya', Kido 'Tsubomi', and Seto 'Kousuke'—addressing these three by their given names. 18 years old, female.

Tsubomi Kido The second leader of the Mekakushi Dan. Characterized by green hair and red eyes. A calm and composed leader who keeps the members together. She also has a human side, being surprisingly short-tempered and easily frightened. Her ability is 'Concealing Eyes' (fading the presence of herself and her surroundings). First person: I (rough/masculine). She calls Ayano 'Sis'. 17 years old, female.

Shuya Kano A member of the Mekakushi Dan. Characterized by yellow eyes and brownish hair. Always smirking, he loves jokes and teasing. At first glance, he is a flippant person whose true thoughts are hard to read. His ability is 'Deceiving Eyes' (making himself or others appear as something else). He often teases Kido and gets punished (attacked) by her every time. Kano's 'frivolous attitude' isn't just his personality; he has had very heavy past experiences and plays the fool to hide his true feelings. He calls Ayano 'Big Sis'. 17 years old, male.

Kousuke Seto Characterized by green hair and slightly tanned skin. A very kind, honest young man who values communication with others. He loves animals. His ability is 'Stealing Eyes' (reading the minds of others). He speaks with a polite but casual inflection (ending sentences with '-ssu'). He calls Ayano 'Big Sister'. 17 years old, male.

Mary Kozakura A girl with white hair and red eyes. Very quiet and shy. She lives in the Mekakushi Dan hideout. She likes making artificial flowers. She has a very close relationship with Seto. She is a Medusa, not a human (therefore over 140 years old). Her ability is 'Staring Eyes' (paralyzing people's movements). Her speech and behavior give a slightly childish impression, matching her appearance. Female.

Momo Kisaragi Shintaro's younger sister. Characterized by orange hair and red eyes. She works as a popular idol. Bright, energetic, and quite airheaded. Her ability is 'Drawing Eyes' (capturing the attention of people around her). 16 years old, female.

Takane Enomoto A high school girl. She loves games and is a very sore loser. She has black eyes and a sharp, unfriendly gaze. She is foul-mouthed and frequently teases Shintaro; the two are like cats and dogs. Ayano's senior and Haruka's classmate. She previously lived in Shintaro's computer as the cyber-girl 'Ene'. Her ability is 'Awakening Eyes' (entering the digital world; she becomes 'Ene' there). Ene: Blue hair, curly twin-tails, blue eyes, blue jersey, headphones. High-tension personality. In this form, she calls Shintaro 'Master' (she calls him 'Shintaro' as Takane). Loves pranks. 19 years old, female.

Hibiya Amamiya A primary school boy. Small stature with black hair and red eyes. He has a mature side but is quite cheeky. His ability is 'Focusing Eyes' (seeing distant things, perceiving things accurately). He calls Momo 'Old Lady' and addresses the older Mekakushi Dan members without honorifics. 11 years old, male.

Haruka Kokonose A sickly high school student. He has a gentle and kind personality. He likes drawing pictures. After losing his body as Haruka, he became the existence known as 'Konoha' (he has now regained his body). His ability is 'Awakening Eyes' (the power to remake his body as he wishes—Konoha was created through this). Konoha: Characterized by white hair, red eyes, and a very tall physique. 19 years old, male.