So casual! He casually had an affair with my stepsister, and I casually found a waiter to marry him. An untoward heiress found out her fiancé is cheating with her stepsister at her wedding day. Provoked by her father and stepsister, she proceeds with the wedding and marries the waiter of the hotel on site. She couldn’t possible imagine, the waiter is actually the CEO of a top global corporation…