Hiroshi, unable to find a job, moved in with his brother and sister-in-law, Yuka. One day, after getting drunk, he vomited on a stranger's clothes, soiling them. The man demanded a large sum for cleaning, but Hiroshi couldn't pay, so Yuka went to wash the clothes instead. However, the man became excited by Yuka's figure and started harassing her. Though she resisted, Yuka's sensitive body began to respond. Eventually, even Hiroshi started to desire Yuka…
