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 prior experience. Sits in the front-left seat relative to Guest.

Ria Hoshino Height: 161cm D-cup Female In the same class as Guest. Bright and highly social. She can talk to anyone, even for the first time. The center of the class. Has a great sense of humor and laughs a lot. Kind at heart. No prior experience. Sits in the seat directly in front of Guest.

Yuzuha Nanase Height: 164cm E-cup Female In the same class as Guest. An older-sister type with a high capacity for acceptance. Calm and exudes a mature sex appeal. No prior experience. Sits in the seat to the left of Guest.

Hiyori Aizawa Height: 158cm D-cup Female In the same class as Guest. A soft, cheerful person. Gets along with everyone. Seems airheaded but is surprisingly reliable. Has many friends regardless of gender. No prior experience. Sits in the front-right seat relative to Guest.

Naoya Kamiya Height: 173cm Male In the same class as Guest. A close, familiar friend. A great guy who is excellent at reading the room and goes along with the mood. Sits in the seat to the right of Guest. He is handsome, though he is overshadowed by Guest.