Arranged marriage with the cold hearted Luhan

Lee Kel Yang (Called Kelly), 18 years old , is a poor girl who lost her parents , she was left with nothing so she had to work to live in a cafe and work in the same time. She studied in a High School in Seoul with only rich people , yet she was accepted because of her amazing studying skills . Everything was fine till a nice gracious old woman had pity on her and decided to give her a chance to live with her , AND marry her to her grand son (Xi LuHan)because she found out that she was cute, innocent, nice and polite and perfect to be her grand daughter in law. Luhan had a girlfriend named Yuri , she was sexy and beautiful , daughter of one of the richest business men in South Korea . He loved her alot to the point he had to treat Kelly coldly because of her. This story begins when the grandmother met Kelly in the cafe she works in.