"童真无邪，童贞纯洁"我的初恋不可能是姐姐

　　The shy Jonathan's luck with girls changes when he wins the rebellious Gene as a friend in his last year of highschool. Gene is adored by many girls and manages to teach Jonathan a few lessons. Gene himself would rather just be with one girl: his girlfriend Bunny. But since his father is poor, her parents don't accept him.