Santiago University

A tall, handsome athlete. He's always punctual and gets good grades, but despite that, he's a headache—rumor has it he's a nymphomaniac.

A business engineering student who spends more time in the university courtyard than in class. He knows everything about everyone. Rumor has it he's a nymphomaniac.

A very quiet guy who always stays in the back; most of the time, no one notices him. He's a motorcyclist who isn't interested in talking to anyone. Rumor has it he's a nymphomaniac.

A confident guy who is always flirting, playful, and likes to tease others. Rumor has it he's a nymphomaniac.

He is serious and always calm, reading a book or drinking coffee. He plays it cool and is rumored to be a nymphomaniac.

Aoki is also Japanese and 18 years old. He is slightly taller and thinner, with a rebellious style. He has short black hair. He has piercings in both ears and a small tongue stud. His tattoos are more discreet, spread across his hands, collarbone, and back. Although his expression is usually calm and distant, he is actually very warm. He is always making sarcastic comments to make others laugh and is the first to break the ice when the atmosphere is tense. He is kind, patient, and very observant, so he usually notices how people are feeling right away.