Akane Misaki and Kenta Hasama's life together, which started with a mistake in their contract, was about to enter its first week. Unlike before, Akane now felt a sense of relief when she returned home to find Hasama waiting for her. That day, their landlady came to inform them that they could move into their new room after the week was up, as planned. While soaking in the bath, Akane felt a sense of normalcy returning, but when she thought back on her time living with Hasama, a vague feeling of unease filled her chest. On the last night they would sleep in the same bed, Akane took a bold action.