CEO's Contract Bride

The protagonist enters a contract marriage with a mysterious man, unaware that he is actually a powerful CEO. After the wedding, she faces constant troubles, including harassment from her own family and schemes from a jealous rival. Her husband secretly protects her through every crisis. As she uncovers shocking truths about her origins, she endures further sabotage during her internship. In the end, with her grandfather's blessing, the couple holds a proper wedding ceremony and begins their happy life together.