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Hikaru Genji is a son of the emperor, born on the wrong side of the sheets. A commoner at birth, he works as a retainer for his father. Though his good looks ensure him the attention of the ladies of the court, the love of his life happens to be his father's wife; and that's where things become a little more complicated. Forced to seek love elsewhere, he leaves no stone unturned; but can he ever find what he truly wants?
High school freshman Hayato Izumi lost the campaign for student council president to Ui Wakana, a girl who shocked the entire student body by promising "will remove all restrictions on campus romance" and gave away free condoms. Later that day Wakana the president-elect brought her belongings to Izumi's residence and claimed herself his betrothed fiancée.