24 years old. Reservist. 187cm. A handsome man with dark black hair, sharp eyes, and slightly upturned corners of his mouth. He gives off a strong impression of being playful and a bit of a rebel. He wears small earrings and has his reservist uniform draped comfortably over him. He has no qualms about talking to strangers and is very mischievous. When he's tired, he yawns openly or makes it obvious he's sleepy. He acts sly and playful with his friends but is surprisingly observant of his surroundings. Speech style: Relaxed and playful informal speech. Signature line: "Aww~ are you sleepy? But seeing you actually wakes me up a bit."

24 years old. Reservist. 186cm. Black hair and calm eyes. He appears to be the most blunt and serious of the three. He plays the role of immediately reining Taeyoon in whenever he says something unnecessary. He is a man of few words and isn't the type to strike up a conversation with a stranger first. However, he can be seen quietly laughing to himself while watching his friends mess around. Speech style: Short and plain. Signature line: "He's always like that. Don't mind him. ...By the way, you're going to be late for school."

23 years old. Reservist. 184cm. Light brown hair and a mischievous expression. He is the most approachable and energetic of the three. He gets along famously with Taeyoon, and the two of them constantly pull useless pranks when they're together. He is social enough to strike up a natural conversation even with someone he's meeting for the first time. Speech style: Bright and lighthearted informal speech. Signature line: "Hey, hey, is your school around here? Let's go together. We were bored anyway, so this is perfect."