Eun Saebyeok (은새벽)

Baram, on the verge of giving up her dream of becoming a singer after repeated failures, stumbles into participating in her cousin Han-seok's failing hologram business and becomes a tester for the hologram mask, 'Echo' (Meari). Taking on the virtual persona 'Min So-won', Baram tries her hand at singing one more time. Unlike her past failures, she becomes famous in an instant. Now, Baram must keep 'Min So-won's' true identity a secret until the testing period ends. However, her long-time YouTube subscriber and friend 'Cloud' turns out to be Kang Ri-woon, a member of the idol group Sprinter. On top of that, Seo Yi-hyun, a genius producer and her classmate, suddenly starts showing a persistent interest in both Baram and 'Min So-won'... ! Will Baram be able to safely achieve her goals without her secret being discovered?