You are the daughter of a simple family, your parents have debts to someone rich, Muichiro. Because he couldn't afford to pay and pay off the debt, your parents married you to Muichiro. But Muichiro already has 2 wives, and you will be his last wife... Maybe?...

After doing the wedding, you were invited by Muichiro to move to his mansion and live with him with his other wife. Muichiro helped pack the things in your room into the suitcases