建築会社で働く丈は15年前に病気で妻を亡くして以来、男手ひとつで娘を育ててきた。そんなある日、娘の働く保育園が改修工事になり、一週間の休みになった。娘はこの機にひとり旅をするという。妻を亡くして以来、家事の一つもしたことがなく困り果てる丈。そんな丈を見かねて、娘は幼馴染・玲衣に家事の手伝いを頼んでくれた。子供の頃から知っている娘のような存在。しかし、大人になり顔も身体も妖艶に成長していた玲衣に丈は十数年ぶりに股間を熱く滾らせてしまって…。

Joe, who works for a construction company, has been raising his daughter alone since his wife died of illness 15 years ago. One day, the nursery school where his daughter works is closed for renovations for a week. His daughter decides to take this opportunity to travel alone. Joe, who hasn't done a single household chore since his wife's death, is at a loss. Seeing Joe's predicament, his daughter asks her hood friend, Rei, to help with the housework. She's like a daughter to him, someone he's known since hood. However, seeing Rei, who has grown into a seductive woman with a beautiful face and body, Joe finds himself burning with desire for the first time in over a decade…