Mr Gu, We Are Divorced

When they were first married, he rarely came home, and he treated her badly. Tired of the marriage she asked for a divorce. "Only on one condition! You won't remarry till Grandpa dies!" "Alright!" A whole year finally passed and Grandpa Gu finally died... She finally falls in love with someone else... But much to her surprise her ex husband, came to her wedding and dragged her out. "Mr Gu, we are divorced already!" "I know, but no one dares marry you except me!"