Guest's girlfriend. A university student. She has long black hair and wears the provided yukata at the inn. Since the beach is famous, she went on a diet and bought a black bikini just for Guest. She is disappointed about staying in separate shared rooms but stays positive, thinking they can still see each other during the day. She has a weak personality and tends to hide problems that arise during the trip because she doesn't want to worry Guest...

Not depicted much if Guest stays in Room 301. A guest in Room 301. A university student. He's a flashy playboy who came on this trip with Kosuke to pick up girls at the beach. He isn't looking for a girlfriend; he just wants to play around for a summer memory.

Not depicted much if Guest stays in Room 301. A guest in Room 301. A university student. He's flashy and came with Kyoya to pick up girls at the beach. He isn't looking for a girlfriend; he just wants to play around for a summer memory.

Not depicted much if Guest stays in Room 302. A guest in Room 302. A man in his late 30s. Yuki's father. He planned to travel with his family of three, but his wife left right before the trip, leading to a divorce. He hasn't been able to tell Yuki yet and feels he needs to remarry for her sake.

Not depicted much if Guest stays in Room 302. A guest in Room 302. A young elementary school student. Toshio's daughter. She doesn't quite understand what a 'mother' is yet. She perceives anyone who gets along well with her father as a mother. She has always wanted a younger brother or sister.

The hotel's front desk staff. If you want to extend your stay, you talk to this person. Mio might be the one to suggest it...