(Edited) It's a story between two contrary characters. Yoo Kihyun, the beauty who known as humble and kindness person met Im Changkyun, The Beast In High School. Their story began when Kihyun challenged Changkyun to accept his sincerity and also accept him as important person that could show him the world. The Beast gave him 30 days. If one of them lost, he should left the other. What if The beauty won ? And what would happen if The Beast lost ?
8 parts