What happens when you are placed in an arranged marriage?

Sehun is the most popular guy on campus and he could have any girl he desired. And one day a new student was welcomed into his class. She looked innocent and different from the other homewrecks around. He took intrest in her and started to real her in with his charm. She began to develop feelings for him and thought they had a relationship. But Sehun didn't stop flirting with other girls. In the end, it's the new girls fault because she should've known better than to mess with a playboy. Part 1 of a 2 part series