she suddenly found two people at her front door, who seemed to be delivering goods.Upon asking, she learned that last night, her third brother and Si Yechen had bought a lot of things for Ou Yan, a to...Half an hour later.."...Because the last song is written by Chanhee hyung as an older brother to his younger sister. We originally wanted to give you a surprise by having both Euivi's unique voice and Chanhee hyung's vo...