The Amami family consists of Hasaku-kun, his older sister Mao and younger sister Airi-chan. Their parents became the founders of the academy for the education of love between students, but they died in an accident. Their own aunt May took over the academy and forced Mao's older sister to step down as founder. Her plan was to transform the academy into an elite educational institution such as Mecha-kon, where girls should learn the craft of love and the ability to sell themselves to rich and wealthy men. In short, something like an academy for ideal brides ... Unfortunately for Aunt May, all students of the academy must sign a charter, and since male students study here, this is not possible. May forces the girls under her control to mock the guys and force them to leave the academy. As a result of this company, almost all the guys left the academy, only our main character Hassaku-kun remained. Aunt May as soon as she did not try to persuade the guy to break the contract so that he left the academy, but it was all in vain, because the guy turned out to be a very tough nut to crack. Sex and humiliation are the only things left in stock for the poor and exhausted aunt ...