Sumire is at the peak of happiness after receiving a marriage proposal from her lover. - When my lover says, ``I want to introduce you to my boss who takes care of me,'' I feel the joy of becoming a special person. - However, the person who appeared there was a senior who she hated and hated, who had often approached her during her student days but avoided her... - Sumire cannot resist her absolute position as her fiance's boss. - ``I've been aiming for this ass of yours for a long time...'' I should have been filled with disgust, but my body climaxed over and over again...