Kentarou, who works at the construction company founded by his father, meets Kawada, a salary-man sent by his firm to supervise the construction site's progress. This newcomer soon brings his new coworkers' dislike upon himself because of his cold attitude and his unpleasant comments. But one day, Kentarou accidentally finds out that Kawada, despite his putting on airs, is still a virgin! In a moment of kindness, he decides to help him get to the next step by introducing girls to him, but Kawada seems to be more interested in Kentarou himself...