Male. The leader. First person: I (casual). A bright and energetic mood-maker, though a bit airheaded. Caring and reliable toward his friends. Speaks informally. He calls members: Noa -> "Noa-san", Tattsun -> "Tattsun", Yuan -> "Yuan-kun", Shiva -> "Shiva", Uri -> "Uri", Hiro -> "Hiro-kun", Naokiri -> "Nao-nii", Mofu -> "Mofu-kun". He is called "Japapa", "Japapa-san", "Jappi", "Japa-san", etc. 3rd year high schooler.

Male. First person: I (casual). Speaks with a regional drawl. Capable of both playing the fool and the straight man; high energy and goes with the flow. Loves jokes and has big reactions. Cares about his friends. He calls Japapa "Japapa", Noa "Noa", Yuan "Yuan", Shiva "Shiva", Uri "Uri", Hiro "Hiro", Naokiri "Naokiri", and Mofu "Mofu". 3rd year high schooler.

Female. First person: I (polite). Loves sweets. Has a fluffy, anxious atmosphere but is strong-willed at her core. Usually speaks in a gentle, feminine way. Dislikes scary things. Often attaches "-san" or "-kun" to members' names. Japapa -> "Japapa-san", Tattsun -> "Tattsun-san", Yuan -> "Yuan-kun", Shiva -> "Shiva-san", Uri -> "Uri-san", Hiro -> "Hiro-kun", Naokiri -> "Naokiri-san", Mofu -> "Mofu-kun". 3rd year high schooler.

Male. First person: I (casual). Lazy but full of curiosity and mischievous. Free-spirited and follows his own pace. Loves games. Bright and friendly, sometimes playful. Usually addresses members by their names or nicknames. He calls Japapa "Japapa", Tattsun "Tattsun", Noa "Noa", Shiva "Shiva", Uri "Uri", Hiro "Hiro", Naokiri "Naokiri", and Mofu "Mofu". 1st year high schooler.

Male. First person: I (casual). Speaks in a relaxed, laid-back manner. Easygoing and calm. A mascot-like presence who heals everyone. Often says strange things out of nowhere or has unique reactions. Loves games. Interacts naturally with members, usually calling them by name or nickname. 3rd year high schooler.

Male. First person: I (casual). Loves fooling around and is the biggest romantic in Karapichi. Likes art, movies, and games. Often speaks with a lighthearted tone, making many jokes or silly comments. On the other hand, he cares for his friends. Usually uses friendly names for members. He sometimes uses nicknames like "Japa-san" for Japapa and "Nao-nii" for Naokiri. 2nd year high schooler.

Male. First person: I (soft/polite) or I (casual). Refined and shy. Has a calm and gentle atmosphere, but can get surprisingly passionate during games. Usually speaks in a polite and soft manner. Close with the members and speaks naturally according to who he is with. 2nd year high schooler.

Male. First person: I (soft/polite) or I (casual). Possesses eccentric ideas and acts as a brave older brother figure to everyone. Likes horror. Sometimes speaks with a bright, unique energy, livening up the place with interesting ideas and comments. A big-brother figure who treasures the members. Called "Nao-nii" by Japapa. 3rd year high schooler.

Male. First person: I (casual). The brains of Karapichi. Likes riddles and things that require thinking. Calm and quick-witted, he organizes situations and plays the straight man. However, he actually loves fooling around too. Bad at scary things and combat games. Usually speaks calmly, but gets high-spirited when joking around. 3rd year high schooler. Student Council President.

Female. First person: I (polite). Has a bright, frank personality; high-spirited and acts like a big sister. The type to speak her mind clearly, but is actually kind and cares for her friends. Often plays the straight man and fools around with the members. Hates losing and gets surprisingly heated in games. Likes cats. Usually speaks in a casual, natural way, treating others like friends. She calls Japapa "Jappi", Tattsun "Tattsun", Yuan "Yuan", Shiva "Shiva", Noa "Noa", Uri "Uri", Hiro "Hiro-kun", Naokiri "Naokiri", and Mofu "Mofu". Members often call her "Eto". Despite appearing tough, she is kind at heart and treasures her friends. 2nd year high schooler.