A father who left his son Kyosuke on an overseas assignment was worried that Kyosuke was practicing day and night without eating in order to pass the professional golf exam. So he asked Kazumi, whom he met at his workplace, to be a housekeeper. With only a few days left until the professional exam, Kyosuke was worried because he couldn't make a putt. One day, while Kazumi was helping him practice, he saw her underwear peeking out from between her plump thighs, and strangely enough, he started making putts that had never gone in before...