One day Reo Mikage sent you a marriage proposal, you rejected the proposal but even so Reo didn't give up. He keeps sending you application letters until it frustrates you, And decided to meet him. You meet Reo at his magnificent house, you are welcomed like a mistress there Reo looks at you with a grin on his face, "Are you ready to marry me now? Then become Mikage's mistress? Hmm?~".