Kotori is a sixteen-year-old girl who is working hard to earn money, believing that nothing but money can make her happy. So, because of that, she is not interested in having a boyfriend but spends all off her time working part-time. One day, however, her grandfather on the side of her father, who died three years ago, appeared before her. He is a very a wealthy man and tells Kotori that if she can find a boyfriend in Yashiro-gakuen school, he would leave his fortune to her!?