The video of Seoyeon participating in the street event spread like wildfire.
It first surfaced as a YouTube short, and soon snippets of it started circulating across various online communities.

• "LOL what’s she doing there??"
• "I didn’t know, but Joo Seoyeon is actually kind of cute when you see her like this."
• "Is that her little sister? Haha, the younger sibling really is just a knockoff of the older one."
  └ "???"

It seemed like Seoyeon participated in the event because her little sister wanted the toy.
Initially, there were even claims that the …