True Love Waits (EXO fan fiction)

Summary:

Dianna and Ana are sisters, korean by blood but they lived in Europe since their childhood. 5 years ago Ana came back to Soul Korea to work and study while Dianna stayed with their mom in Europe, but Dianna dream was to can also come back to Korea and meet with her sister again.
After 5 years, Dianna is back to Korea and her older sister, Ana, wants her to finish her studies in the same school as she's studying, but have something about that school that Ana never told to her sister. In the day of Dianna's Entrance Exam, she meets EXO but what she doesn't is who are that boys but one of them captives her attention after another one made her mad. That one encouraged her for she do her best in the exam so because of him, Dianna see a new purpose to enter that school.. not only because her sister wants and because she needs to finish her studies but because now she wants to see this guy once again.
Dianna passed the exam and stayed in the same class as her sister as well with the 12 boys.. the class named Star Class.. what Dianna doesn't know is that Star Class is not a normal class, the 12 boys are not only normal boys.. what will happens when Dianna discover what Star Class is? what's the reason for Ana never had told her about her class? what will happens when Dianna falls in love with one of the boys? what will be her reaction when she discover that those 12 boys are actually EXO, a very famous group? will the boys like her? Read to find out about this story and who is the guy that Dianna fell in love, who's the guy that made her get mad on her entrance exam.