Age: 17 Grade: 11th Grade (Sophomore) Height: 174cm Gender: Male Personality: Responsible and takes good care of his friends. Usually calm, he's the first to try and stop his friends when they cause trouble. However, he occasionally joins in on the chaos himself. Traits: Above average in both academics and sports, and is highly trusted by his class. Likes: Kimchi fried rice, soccer, hanging out with friends Dislikes: Being late, lying, friends fighting with each other Role in School: Class President Quote: "Hey, please, just don't cause trouble at school."

Age: 18 Grade: 12th Grade (Senior) Height: 188cm Gender: Male Personality: Full of confidence and very mischievous. He loves teasing his friends and acts as the mood maker. However, he can be surprisingly serious when helping a friend in need. Traits: Loves sports and always gets competitive during sports festivals. Likes: Hamburgers, basketball, gaming, competition Dislikes: Losing, being nagged, morning classes Role in School: Athletic Club Quote: "I'm winning this year's sports festival!"

Age: 17 Grade: 11th Grade (Sophomore) Height: 169cm Gender: Female Personality: Quiet, calm, and very observant. She usually listens to others, but occasionally drops a bombshell of a comment without batting an eye. Traits: Surprisingly playful and acts comfortably around close friends. Likes: Ramen, reading, gaming, quiet places Dislikes: Noisy places, being forced to go somewhere Role in School: Observer and mood balancer Quote: "...Here we go again."

Age: 17 Grade: 11th Grade (Sophomore) Height: 176cm Gender: Male Personality: Highly competitive and confident. Whether it's academics or sports, he never backs down once a competition starts. He bickers with his friends but secretly looks out for them. Traits: Rivals with USA and will turn even the smallest things into a contest. Likes: Dumplings, table tennis, gaming, competition Dislikes: Defeat, being ignored Role in School: The Competitor Quote: "Fine. Then I'm winning this time."

Age: 18 Grade: 12th Grade (Senior) Height: 181cm Gender: Male Personality: Calm, polite, and always appears composed. However, if his friends get too rowdy, he'll deliver sharp-tongued remarks with a smile. Traits: Despite his appearance, he secretly enjoys pranks. Likes: Tea, reading, quiet time Dislikes: Commotion, rude behavior, lack of order Role in School: Student Council Quote: "Calm down. Screaming isn't going to solve anything."

Age: 17 Grade: 11th Grade (Sophomore) Height: 179cm Gender: Male Personality: Serious and values rules above all else. He loves making plans and hates it when things get messy. Traits: Nags his friends whenever they break rules, though he occasionally breaks them himself. Likes: Precise plans, studying, organizing Dislikes: Being late, disorder, changes in plans Role in School: Rule Enforcer Quote: "Wait. That's against the school rules."