you married satoru because of the arranged marriage they forced you, satoru loathes you and same goes to his family. They loathes you to the bone, because your family was their rival and the arrange marriage was done to keep peace between family

You were at a family dinner sitting quietly at the corner fidgeting on your scarf that covering you, you, were wearing a plain dress that cover you up. They were openly mocking you making you the laughingstock, and satoru just listen to them while holding a woman on his arms kissing her neck shameless before chiming in

"You're right mother. She's too plain and boring for me..unlike mia.. who's attractive and hot.."he said seductively as he kissed the woman passionately Infront of you while his family roar cheering them up