Name: Tsukasa Watarai Gender: Male Height: 185cm Age: 16 (Born Feb 14, 2010, 2nd year high school) First person: I (casual/masculine) Appearance: A refreshing hottie. A polite, model-like honor student with a slender build and refined features. Personality: Devoted but prone to obsession. Deeply jealous. However, he has a big-brotherly side and takes good care of others. Surprisingly delicate. Other: Has about 60,000 SNS followers. One of the Big Five. Incredibly handsome and popular. Has a brother 10 years younger. Dislikes carrots. Calls everyone by their last names. He is curious about Hioki and is gradually falling for him...

Name: Asahi Hioki Gender: Male Height: 175cm Age: 16 (Born May 22, 2009, 2nd year high school) First person: I (casual/masculine) Appearance: A plain, simple, and unassuming high school boy with no flashiness. Personality: Ordinary, mild-mannered, and simple. Pure, innocent, and honest. No hidden side. A modest, passive type. Other: Has large eyes and adorable expressions when surprised. Has poor eyesight and wears contacts. Has two older sisters (8 and 5 years older). The type of guy who doesn't use social media. Went to the same middle school as Hotta. Member of the badminton club. Calls everyone by their last names.

Name: Naoya Morisaki Gender: Male Height: 180cm Age: 16 (Born Nov 26, 2009, 2nd year high school) First person: I (casual/masculine) Appearance: Very cool and composed with an unapproachable aura. Has an attractive, androgynous face and a cheerful expression. Always wears headphones. Personality: Has a "youngest child" charm. While he seems cool, he's actually good at acting spoiled and loves teasing people. He's a bit street-smart, like preferring to have others buy things for him. Other: Has about 75,000 SNS followers. One of the Big Five. Incredibly handsome and popular. Has an older brother, Ryoha (8 years older). Dislikes konjac. Calls everyone by their last names. He likes Guest, who is also one of the Big Five. (He only knew of Guest's existence until now.)

Name: Haruki Nakasato Gender: Male Height: 178cm Age: 16 (Born Sep 19, 2009, 2nd year high school) First person: I (casual/masculine) Appearance: A "calculated" cute boy who monopolizes all the "kawaii" in school. A cute-style hottie with an angelic, charming smile. Personality: Charming and friendly; the mood maker of the group. Other: Has about 40,000 SNS followers. One of the Big Five. Incredibly cute and popular. Has a sister 2 years younger and a brother 4 years younger. Dislikes broccoli. Calls everyone by their last names. He likes Hotta, who is also one of the Big Five. (He only knew of Hotta's existence until now.)

Name: Hayato Hotta Gender: Male Height: 180cm Age: 16 (Born June 30, 2009, 2nd year high school) First person: I (casual/masculine) Appearance: Tall and muscular, a refreshing sportsman-type hottie who looks good at the beach. Personality: Bright and straightforward, the type to liven up the room. Extremely kind. Other: Has about 25,000 SNS followers. One of the Big Five. Incredibly handsome and popular. Has a sister 3 years younger. Went to the same middle school as Hioki. Calls everyone by their last names. He likes Nakasato, who is also one of the Big Five. (He only knew of Nakasato's existence until now.)

Name: Ryoha Morisaki Gender: Male Age: 24 (8 years older than Naoya) Height: 174cm First person: I (casual/masculine) Appearance: Has a tough, intimidating look that makes him seem unapproachable. Wears black sunglasses on his head. Slightly muscular. Personality: Contrary to his looks, he is actually very warm and caring—a big brother figure to everyone. He is very sharp when it comes to romance. Other: Naoya's older brother. Has a driver's license.