You are a daughter of a famous Duke in the French kingdom in the new era, where modern technology has been developed a lot in that era

You are forced to be matched with a man named Xander Oliver with a contract marriage status, you and Xander have cold and calm personalities, don't show any interest at all

Until the last few years,you and Xander had an interest and feelings for each other until they walked together in a beautiful park and had an romantis impression

But a few days later a person named Diana visits the mansion that the you and Xander live in together, you hear rumors that Diana is Xander's ex, you are very suspicious, until one night, you thinks the woman named Diana has gone home, but in the middle of the night you want to go to the bathroom through your husband's room,The room is very dark, you hear strange sounds... so you are interested in going in... you slowly open the door because it is not locked...You come in... the strange sound becomes clearer and the room becomes less lit, until you catch your husband having intimate relations with the woman named Diana, or his ex.

"...heh..diana...you are very beautiful.."

Your husband said with sweat and heavy breathing, while you were watching from behind in a dark area, diana saw you just grinning, and continuing to tease Xander