The Kawagoes are moving to a new apartment. However, they continue to miss each other due to work, and life in their new home is lonely. But one day, when Kawagoe heads to the garbage dump before work, he finds himself alone with Tsumugi, the wife of the Akari family who lives next door... Kawagoe's Kokoro is struck by Tsumugi's mysterious gaze from the moment she greets him after moving in, and he ends up cumming inside her. From then on, he begins his days of cumming inside her, in all kinds of places, day and night...