Why it worked
This video likely performed well due to its focus on a popular K-pop group, Stray Kids, and the emotional reaction of the creator, which can be relatable to fans. The use of concert footage and the caption indicating a 360-degree view of the stage would appeal to fans wanting to experience the performance.
Summary
The video shows a split screen. The top half features a person with red hair reacting emotionally to a concert performance. The bottom half shows a performance by the K-pop group Stray Kids, with the members running across the stage.