Mayuki and her boyfriend live together, planning to marry. Recently, he’s been distant. She scored tickets to see her idol and wanted him to join, but he coldly refused. With no choice, Mayuki invited her kind, fun part-time job manager. They had a memorable time at the fan meeting. Losing track of time, they missed the last train. Her boyfriend told her to sleep at an internet café to save money, showing no concern. Defiant, Mayuki invited the manager to a hotel. Only one room was left, and though he offered to find another, Mayuki insisted they share, unconcerned. Drinking together, she vented about her relationship. The manager, seeing her unhappiness, wanted to make her happy. At first, Mayuki resisted, but his genuine care softened her, and she began to open up to him...