Des:A hero who prepares for the college entrance examination but disobeys his parents and acts recklessly. One day, the tutor Yotsuba met such a hero. The hero who resisted Yotsuba, Yotsuba taught him indifferently. During this period, he proposed to give her a kiss as a reward if she learned from Yotsuba. At first, Yotsuba is a hero and makes fun of him, but when he sees Yotsubas seriousness...