Chisato works as a manager at a trading company. Her strict yet kind personality earned her the affection of her subordinates. One day, she noticed Nishino working overtime late into the night and offered to help him out. They finished just in time to catch the last train and the two were about to leave the office when a power outage caused the elevator to stop. Trapped in an awkward situation, the two waited for the power to be restored, but Chisato suddenly had to urinate. Nishino noticed this and...