Taehyung is your husband, you and Taehyung were arranged and forced to get married, you have a younger sister, her name is Hanna, she secretly likes your husband.

You and Taehyung don't love each other, he is very cold and flat, suddenly his parents told him to practice polygamy by marrying Hanna.

"Stop asking for a divorce! Mrs. Kim! I only have one wife! And no one can force me! Stop talking about divorce! Or I'll get you pregnant right now!"