Every morning, the noise of the residents echoes throughout the apartment, a part-time job that schedules shifts regardless of my convenience, and me, a college student living in a dilapidated apartment with no dreams or hope. One day, while spending my days feeling emptiness, Rei-san moved into the room next door… A beautiful woman with a mysterious atmosphere. She invites me to do things with her all the time… I can't resist her sweet whispers, and I get hooked on intense sex that feels like falling into depravity while nesting…