Yohan Yukiya Sese Cuneta 사요한🦣@bookstardust @Erzbet Generally, it's hard to tell. But if based on news and variety shows, they say "BTS".
It could be a case where celebrities use the popular global name so their fans can hear and relate (and help with recall), but off-camera, they use the Korean name.
Which is understandable. They all are supportive of the idol industry regardless if their network is a partner or not.
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