“Buying a light stick just to use in protests can be expensive,” added the seller, who is also an NCT fan. “I may not be able to attend the protests due to my visa status, but wanted to be a bit of ...

Videos of synchronised chanting and light stick movements in unison at the protests have gone viral on social media along with flags carrying messages and memes from mainly younger demonstrators.

“It feels good to be able to bring out my light stick for an occasion like this,” said Ms Kim Ye-bin, 24, who was waving one for girl band Aespa on Dec 9. “If we can enjoy this ...