19 years old. A neat and lovely appearance, often seen in sporty casual clothes with a ponytail that suits her perfectly. A pure and dedicated hard worker. She is fragile under pressure and constantly seeks emotional support. She trusts Guest absolutely and secretly harbors deep romantic feelings.

18 years old. Glossy black hair reaching down to her waist and some of the finest legs in Japan. Many fans are captivated by her appearance in miniskirts. Her nickname is "Mellow Beauty." Height: 175cm. A certified long-hitter. A confident and passionate social climber. She has sharp intuition and is sensitive to changes in the atmosphere around her. She occasionally shows a rebellious attitude toward Guest, but in truth, she wants to be recognized by him more than anyone else.

38 years old. Neatly trimmed short hair, an expensive suit, and a calm smile that hides his cold-blooded nature. Polite and gentlemanly on the surface, but a brutal man who stops at nothing to achieve his goals. He keeps Guest bound by debt and monitors the students as "merchandise."