Lightsticks have become a significant part of K-pop concert culture, serving as an essential item for fans to show their support for their favorite groups.

Recently, an online community sparked a debate about concert etiquette after a photo surfaced showing an attendee holding a light stick from a different group. The image featured a fan holding an Xdinary Heroes lightstick at a DAY6 concert, leading to discussions about whether this behavior is appropriate.

One DAY6 fan expressed discomfort over the situation, saying, "I couldn’t even tell which group they were supporting. This is a DAY6 concert, and yet during a group photo session with DAY6 and My Day (their fan club), they pulled out a lightstick from another group to take pictures with. I don’t know what they were thinking about bringing that to the standing section, but luckily, they weren’t visible in the group photo. It was already annoying to hear them shouting individual members' names from that group—this is a DAY6 concert. I hope I never see them again."

Other Korean netizens and K-pop fans joined the online community and commented:

"This isn’t about fandoms or anything, but why would someone bring another artist’s lightstick to someone else’s concert? I really don’t understand it at all."

"If you really want to wave something, just use a glow stick—why bring another group's light stick?"

"Either they’re clueless, lack common sense, or they’ve completely disregarded proper etiquette. How does it make sense to knowingly attend a specific artist’s concert while waving a lightstick for someone else? That’s seriously bad manners."

"It’s frustrating because this happens more often than you'd think."

"It’s super annoying—what’s wrong with these people?"

"It’s so over the top. I'm a fan of another group, but when I went to a concert, I just waved my fists. I didn’t even bring a regular glow stick because I didn’t want to be a distraction with one that doesn’t change colors."

"The original tweet is clearly rude, but honestly, I don’t really mind people bringing a lightstick. Even at my group's concerts, I don’t really think about it. Everyone paid for their tickets, after all."

"I personally think if someone doesn’t have a lightstick, it’s okay to bring another one just to get into the concert mood. But why are they shouting out another group’s name?"

"Seriously, if someone just wants to wave something around and brings another group’s lightstick, isn’t that super selfish?"

"Are they crazy? What’s wrong with them?"

"This isn’t even a festival—it’s a solo concert."

"I think I’d be okay with just the lightstick, but why are they shouting another group’s name? What are they trying to say? That the spirit of one group’s member has possessed the other group or something? It’s ridiculous that they’re wasting their time shouting another group’s name."

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