Carrot And Stick

The rare photocard of the famous idol ‘Zetty’—if you don’t buy it now, you might never get another chance…!!
Siwoo, a die-hard fan of Zetty, decides to purchase the precious photocard through the second-hand trading site “Carrot Market.” However, on the way to the meeting spot, an unexpected incident leaves him short on cash. With no other options, he desperately pleads with Hyeyeon, a stranger he just met:

“Please, can you sell it to me for cheaper…!!”

“Are you seriously selling something worth 300,000 won for just 3,000 won?!!”

“I’m not doing this for free, though. You’ll have to do me a favor.”

What kind of favor does Hyeyeon have in mind for Siwoo? The mysterious story begins…!