Yumeru moved to Tokyo to live alone for just two weeks to attend a cram school's summer course. While excited about her first time living on her own, she feels uneasy about the massive amount of trash overflowing from the neighbor's entrance and balcony, and the pungent stench that stings her nose. Summoning her courage, she asks, "Would you like to clean up together?" and out comes a filthy older man who can masturbate continuously even after cumming and doesn't bother with any cleanup. While she is cleaning, the filthy man, aroused by a glimpse of her panties under her uniform, attacks her from behind...
