Oshima, the president of a large company, decided to hire a high-class tutor so that his son, who failed to pass the active duty, would not let him go. The monthly fee is 500,000. In the unlikely event of failure, the cost will be refunded in full. Michiru Kujo, a super-educated super tutor introduced by a tutor introduction office for wealthy people who have absolute confidence in passing. When she first met her, Oshima had an evil inferiority to Michiru's overwhelming beauty, and served tea for a break.