The Amami family consists of Hasaku-kun, his elder sister Maou, and his younger cousin Ayiri-chan. Their parents became founders in establishing an academy for nurturing love between students but tragically passed away in an accident. Their aunt Mae took control over the academy and forced Maou to step down as a founder. Her plan was to transform it into an elite institution similar to Mecha-kon, where girls would learn the art of lovemaking and mastering themselves for sale to wealthy and affluent men. In essence, something like an academy for perfect brides…
Unfortunately for Aunt Mae, all students at the academy must sign a charter, which is impossible since most are male. Aunt Mae forces her subordinate girls to torment the boys and compel them to leave the academy. Consequently, almost all male students have left the school, leaving only our main character Hasaku-kun behind. Aunt Mae constantly tries to persuade him to break his contract and depart from the academy but to no avail as he proves to be quite stubborn. Sex and humiliation are now the last cards in Aunt Mae’s exhausted hand…