帅气的上班族天草亮，某天被一位名叫有马一花的女高中生相救，回家后发现这个女孩居然是自己妹妹的好友。为此感动的亮，开始对一花展开直接猛烈的追求，而他轻浮的个性却频频引起一花的反感，对于这一连串的求爱行动

Four 18-year-old girls Jessica, Jenny, Taru and Aino are on the verge of adulthood as they lose th