I'm a college student living in a dilapidated apartment with an alarm clock that rings all over the apartment every morning, a host who brings his friends in every night, and a big fuss. - One day, as he spends his days feeling empty, Aiyu-san moves into the next room... - A beautiful woman with a sparkling ring on her left ring finger. - For some reason, my girlfriend, who lives alone in an apartment like this, keeps inviting me out... - Unable to resist her sweet whispers, I drowned in intense, degrading sex while holed up in the nest...