In which Choi Yeijin is inlove with her senior, Mark lee. The fully capable ace of the rank A-1. She will do everything to be an ace in order for her to communicate and be with the senior. But as slowly as she is going forward, reaching her dreams she met the new face of an ace that will surely shook her to the core. Jung Sungchan, the Ace of Rank A-2. ____ Started:11/17/20 Ended:???