Mizumoto secretly has a crush on her boss, Takamatsu. She tries her best to impress him, but her days are filled with careless mistakes and it just doesn't go well. Then one day, her plan is approved and she goes on a business trip with Takamatsu. The business negotiations are successful, and they have a party just for the two of them, but she thinks everything is going well... or so she thinks, when she accidentally books a room in a luxury hotel with a double bed...!?