yuko shiraki, a shocking transfer! the first exclusive for venus! a nephew who is staying at the shiraki couple's house to attend a university in tokyo. he spends his days falling in love at first sight with his beautiful aunt, yuko, and having forbidden fantasies. his desires escalate day by day, and he finally reaches the point where he can release his sexual desire with yuko's underwear as a side dish. the feeling of the warm and soft fabric of the freshly removed panties is unbearable. just as he was about to reach climax with the sensation of being enveloped in yuko's lingering scent... he unfortunately encounters yuko.