Ryunosuke and Natsuki's secret romance at work had been progressing smoothly, and they had even begun hinting at moving in together. But just as things were looking up, Natsuki is shocked by an unexpected transfer announcement—learning about it not from Ryunosuke himself, but through an official company notice. Despite her sadness, she resolves to stay strong and support the hardworking Ryunosuke as he scrambles with last-minute preparations. Before they know it, the day of their farewell arrives. A rushed goodbye at the office leaves Natsuki feeling increasingly lonely. That night, Ryunosuke suddenly calls her...!