BigHit Music’s rookie sensation CORTIS found themselves at the center of online debate following their tribute performance of BTS’s iconic “Mic Drop” at the 2025 Music Bank Global Festival in Japan. While some criticized the cover, loyal fans quickly rallied to defend the young group’s heartfelt homage.
Table of Contents
BTS CORTIS Mic Drop Performance: Key Details
| Aspect | Information |
|---|---|
| Event | Music Bank Global Festival 2025 |
| Performance | BTS “Mic Drop” Cover |
| Location | Tokyo, Japan |
| Date | December 14, 2025 |
| Theme | “Golden Road” – K-pop Evolution |
| Fan Response | Mixed; Strong Defense |
The Performance That Started Conversations
At the festival, CORTIS delivered a performance of BTS’s hit “Mic Drop” as part of the event’s “Golden Road” theme celebrating K-pop’s evolution. The rookie group joined other acts like Hearts2Hearts covering Girls’ Generation’s “Genie” and izna performing Kara’s “Pretty Girl” in honoring legendary K-pop moments.
However, some online critics questioned whether the frequent BTS references were excessive. The backlash wasn’t entirely new—CORTIS has recently drawn attention for repeatedly expressing admiration toward BTS, with some online users labeling the behavior as excessive.

Why Fans Are Standing Strong
Supporters flooded social media with defenses, emphasizing that tribute performances are standard practice at year-end festivals. “It’s just a cover!” became the rallying cry, with fans pointing out that paying respect to senior artists is deeply rooted in Korean entertainment culture.
One passionate fan tweeted about the group’s respect, highlighting how CORTIS members are teenagers who actively contribute to multiple facets of their artistry, including songwriting, composing, choreography, and video production. Their admiration for BTS stems from genuine respect, not obsession.
Understanding CORTIS’s Journey
Debuting under BigHit Music in August 2025, CORTIS consists of five talented members: Martin, James, Juhoon, Seonghyeon, and Keonho. The group name represents “Color Outside the Lines,” symbolizing their creative independence and boundary-pushing artistry.
Their debut album COLOR OUTSIDE THE LINES has already achieved remarkable success, with cumulative sales nearing one million and achieving a No. 15 debut on the Billboard 200. Recently, they secured double wins at the Asia Artist Awards 2025, proving their rookie credentials.
The Bigger Picture
This controversy reflects broader tensions in K-pop fandom culture. While comparisons between junior and senior groups are inevitable, CORTIS’s situation highlights how emerging artists navigate legacy while establishing their unique identity. The group continues their impressive trajectory with upcoming appearances at major year-end shows.
FAQs
Why are fans defending CORTIS’s Mic Drop performance?
Fans emphasize that covering senior artists’ songs is a traditional practice at K-pop festivals, especially during year-end celebrations. The “Golden Road” theme specifically honored K-pop’s evolution, making tribute performances appropriate. Supporters argue that CORTIS’s respect for BTS reflects Korean entertainment culture’s emphasis on honoring predecessors, not copying them.
Has CORTIS referenced BTS before this performance?
Yes, CORTIS has openly expressed admiration for their label seniors multiple times. They sang happy birthday to RM during a live broadcast, mentioned wanting to perform at the same venues BTS played, and acknowledged BTS’s influence on their careers. While some view this as excessive, fans defend it as genuine respect from teenagers grateful to their musical inspirations.





