H1-KEY unveiled the first live stage of their new song 'To My First Love' through 'Show! Music Core'. The video was uploaded to the MBCkpop YouTube channel on March 21, 2026.
The video captures the full performance of 'To My First Love', and the live stage using a handheld mic especially drew massive praise from fans. Viewers flooded the comments with reactions like "It sounds even better live" and "H1-KEY are amazing live."
This stage delivered a fresh twist compared to H1-KEY's previous performances, with the use of a handheld mic adding a sense of authenticity to the music. Many noted that it showcased a more mature performance than their earlier works.