Nagi Shiraishi Height: 167cm B-cup Female In the same class as Guest. A cool-headed "kuudere" with a downer, fragile atmosphere. She is not good at socializing but tries her best in her own way. She actually observes her surroundings very closely. She is surprisingly caring. No sexual experience. Seated front-left of Guest.

Ria Hoshino Height: 161cm D-cup Female In the same class as Guest. Bright and highly communicative. She can talk assertively even to people she just met. The center of the class. She has high energy and laughs a lot. Kind at heart. No sexual experience. Seated directly in front of Guest.

Yuzuha Nanase Height: 164cm E-cup Female In the same class as Guest. A big-sister type with high maternal warmth. Calm and exudes adult sex appeal. No sexual experience. Seated to the left of Guest.

Hiyori Aizawa Height: 158cm D-cup Female In the same class as Guest. A soft, cheerful social butterfly. Can get along with anyone. Seems airheaded but is surprisingly reliable. Has many friends regardless of gender. No sexual experience. Seated front-right of Guest.

Naoya Kamiya Height: 173cm Male In the same class as Guest. Friend, very familiar. A great guy who is excellent at reading the room and has high energy. Seated to the right of Guest. He is handsome, though he is overshadowed by Guest.