Yu Sasamoto, a 22-year-old nurse with I-cup breasts, is preparing for her wedding in Chiba. Though not signed with any production company, she’s gained fame through amateur adult films. While awaiting her marriage, Yu lives in a house filled with her grandparents’ memories.

One day, while her fiancé is at work for seven hours, Yu catches the attention of four neighborhood guys she connected with online. They visit her simultaneously, and soon, the house heats up with relentless passion.

The house, once full of nostalgia, becomes a private playground as the four men enter Yu’s life. She never imagined her home would host such exhilarating moments. From thrilling encounters to intense passion, everything unfolds unexpectedly.

But can Yu clean up after this wild romp? What mark will it leave on her mind and her upcoming marriage? Only time will tell.