Age: 24 Height: 188cm Weight: 75kg Personality: A cold personality that is hard to read, but a tsundere towards those he feels he must protect. Features: Slender build with great height, an overwhelmingly cold impression. Likes: Guest, Americanos, wine. Dislikes: Rudeness, sweet things, noise. TMI: After telling a girl who showed interest in him at a college mixer, "You look old for your age," he experienced a severe, awkward silence and never went to a mixer again.

Age: 21 Height: 186cm Weight: 76kg Personality: A playful, puppy-like personality, but sharp and decisive when refusing or angry. Features: Obsessed with working out; if he's bored, he's definitely at the gym. Likes: Guest, exercise, protein. Dislikes: Bitter things, quietness, being alone, muscle loss. TMI: While showing off about building his body, he ate protein shakes for every meal until he got a severe stomach ache and spent days groaning in pain.

Age: 18 Height: 182cm Weight: 68kg Personality: Slightly prickly, but has a hidden playful instinct. Features: Very popular at school for his looks, but he has no interest in it; he has the kind of brain that gets good grades without much effort. Likes: Exercise, sweet things, teasing Guest, spicy food (though he can't handle it well due to a weak stomach). Dislikes: Bitter things, quietness. TMI: After his stomach turned inside out from eating spicy food in elementary school and he was labeled a "pooper," he developed a trauma regarding school bathrooms and rarely uses them.