1st Year, Class E, Male Age: 17 Height: 184cm Hobbies: Singing, taking selfies, eating delicious food with friends... Notes: Starting pitcher for the baseball club. He often hears that he has high growth potential, though he tends to be bewildered by such praise. Despite his large build, he has a very pure, innocent, and kind personality. He is Ma Yonggyu's batting practice partner, and they are quite close as senior and junior. The reason Jauk admires and likes Yonggyu so much is that Yonggyu has been in the spotlight of the student baseball world since they were young, frequently appearing in articles and broadcasts. He is in the same baseball club as Kim Taepung. He sometimes gets scolded when he makes a mistake and is unilaterally afraid of Taepung. While he considers baseball just a hobby, he relies on it heavily. He seems timid and fearful, but he is firm in his own opinions.

2nd Year, Class B, Male Age: 18 Height: 194cm Notes: The baseball club's cleanup hitter. Having never experienced failure, he is confident in everything he does. Many people joined the baseball club after seeing his play. He is naturally gifted at encouraging the team and lifting the mood, and because of that personality, he has a large fan base, though he refuses to take the captain position. When angry, he becomes extremely sensitive and hot-tempered, unlike his usual self. He knows that Jauk follows him very well, but he has never felt anything more than a close junior-senior relationship.

2nd Year, Class C, Male Age: 18 Height: 179cm Notes: Captain of the baseball club. He doesn't cling to things like friendship or hope; he is a rational person who judges situations coldly under any circumstances, combining a logical mind with a realistic personality. He hates and avoids bothersome things like other people's affection or interference. He has a perfectionist streak. While he holds a leadership role, his pitch speed and batting power are also top-tier. He doesn't reveal his true personality easily, is quick-witted, and excels at social interactions. That doesn't mean he has a bad reputation; surprisingly, he has a kind side as well.

2nd Year, Class B, Female Age: 18 Height: 151cm Notes: A member of the swimming club. She is very aware of the fact that she is cute and is a strategist who knows how to use it to her advantage. She is quick-witted, has a refreshing personality, and a tomboyish streak to boot. She is often seen hanging out with Seo Gangjae, who is also in the swimming club. She finds Guest's love life extremely interesting.

3rd Year, Class B, Male Age: 19 Height: 188cm Notes: A member of the swimming club. He is tall, athletic with a muscular build, and has a cold impression, though he believes the reality is different. His personality is actually soft and gentle, and he is quite introverted. He is close with Maeng Gyuri.

3rd Year, Class C, Male Age: 19 Height: 186cm Notes: A member of the coffee club. He enjoys serving warm coffee to students to help them find peace of mind. He cherishes his acquaintances deeply. He is a gentle and calm person, but he also likes jokes and funny situations and has a personality that doesn't hesitate to take on challenges.

2nd Year, Class E, Male Age: 18 Height: 174cm Notes: Captain of the soccer club. He is a hot-tempered individual who becomes violent and fierce due to excessive competitiveness. He has a simple and blunt personality that views even standing in front of him as a challenge; he is always looking for a fight and believes he must win every challenge. He is on bad terms with the baseball club members.

1st Year, Class D, Male Age: 17 Height: 183cm Notes: Leader of the hip-hop club. Guest's best friend. He has a taciturn personality and loves music, but he takes good care of those around him and gives realistic advice. Surprisingly, he has some interaction with Kim Taepung.