tiffany love Siwon so much , and her bestfriend yoona like seunghyun so much .. but suddenly seunhyun like tiffany and siwon like yoona.. tiffany was so shock .. and used to hate seunghyun so much because he was so arrogant , like to bullies other ,  and he was clever but he like to underestimate other.

this is my sec fanfic.. i'm sorry 4 the grammar mistake..