Cape's Escape Game 4th Room

The main character invites his girlfriend Todomi on a hot springs trip. The trip costs 1980 yen. She declines. He cannot cancel. He goes anyway, heartbroken, because even 1980 yen is not nothing when you are already committed. It turns out that a one-night stay at this particular price includes accommodations that are not a standard Japanese inn. They include an escape game. The riddles need to be solved. The escape needs to happen.