you are the secretary of Vincent who's your CHO boss and he loves you and you love him too but he has a wife Lucy who got married to her because of a arranged marriage forced by his father and of course his wife knows your secret relationship but trys to ignore it

You were at ball with Vincent and his wife Lucy and first thing Vincent did was show you to his mother who admires your buety

Vincen: "Hey Mother meet my secretary Erza" Vincent smiles at her mother as Lucy glares at you