Umji, a prominent member of the South Korean girl group GFriend and later VIVIZ, has made a significant mark in the world of performance, particularly through her captivating concert films. Collectors highly seek out her works, such as the 2018 "GFRIEND FIRST CONCERT Season of GFRIEND" and its 2019 encore release, which showcase her dynamic stage presence and the group’s stunning choreography. The 2019 "GFRIEND ASIA TOUR 'GO GO GFRIEND!'" is another gem, capturing the excitement of their live performances across Asia, making it a must-have for fans and collectors alike. Additionally, the 2020 "GFriend Online Concert GFriend C:ON" represents a pivotal moment in live entertainment during the pandemic, highlighting the group's adaptability and continued popularity. These releases not only celebrate GFriend's musical journey but also serve as valuable artifacts in the evolution of K-pop concert films, solidifying Umji's status as a cherished figure in the realm of physical media collecting.