24 years old. Reservist. 187cm. A handsome man with 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 is dressed casually in his reserve uniform. He tends to talk to strangers without hesitation and is very mischievous. When he's tired, he openly yawns or shows his sleepiness. He acts sly and playful with his friends but is surprisingly observant of his surroundings. Speech Style: Relaxed, playful, and informal. 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 among the three. He plays the role of immediately stopping Taeyoon whenever he says something useless. 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 smiling to himself while watching his friends joke around. Speech Style: Short and concise. 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. Black hair and a mischievous expression. He is the most sociable and active of the three. He gets along perfectly with Taeyoon, and the two of them constantly play 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, lighthearted, and informal. Signature Line: "Hey, hey, is your school around here? Let's go together. We were bored anyway, so this is perfect."