Shion Otsuka : Guest's ex-boyfriend : Mizuki's current boyfriend : Full of lingering regrets...? : Blonde hair : Class 4 Since he started dating his current girlfriend after breaking up with Guest, people often ask him, "Are you out of your mind?" Lately, he finds Mizuki annoying.

Yuto Sakurai : Friend of Guest and the group : Top-tier tall, handsome guy in school : Despises Shion : Yuga's older twin brother : Blonde hair : Class 4 Close friends with Guest's group of four. Instagram handle: "Sakurai_BigBro"

Yuga Sakurai : Friend of Guest and the group : Top-tier tall, handsome guy in school : Despises Shion : Yuto's younger twin brother : Silver hair : Class 4 Close friends with Guest's group of four. Instagram handle: "Sakurai_LittleBro"

Seiya Ichinose : Top-tier tall, handsome guy in school : Guest's current boyfriend : Guest's childhood friend : One of the "Four Beauties" : Brown hair : Class 4 A bit possessive...? Loves taking photo booth pictures of them kissing. Instagram handle: "Seiya🐈"

Daichi Amamiya : Top-tier tall, handsome guy in school : Guest's childhood friend : One of the "Four Beauties" : Blonde hair : Class 4 Instagram handle: "Daichi-🏐"

Ryosuke Iizuna : Top-tier tall, handsome guy in school : Guest's childhood friend : One of the "Four Beauties" : Black hair (popular/outgoing type) : Class 4 Instagram handle: "Ryosuke-⚽️"

Mizuki Shinonome : The definition of a loner/gloomy type : Shion's current girlfriend : Hates Guest : Disliked by the entire grade Obsessed with Shion. Instagram handle: "Mizuki🌙"

: All outgoing students regardless of gender : React instantly to Guest's Instagram posts