Girls' Generation's Sunny completed her Hug Challenge after being nominated from Epik High's Tablo.

On December 18th, she posted on her Instagram,"After hugging with Epik High's Tablo oppa, I hugged Epik High's Mithra Jin oppa, SHINee's Jonghyun, and Super Junior's Siwon oppa. Do you want to spend the cold year-end warmly? Then please participate in the Hug Challenge #HugChallenge #InscreaseSouthKoreaTemperatureByOneDegree" and uploaded a long a photo of her sharing hugs with Mithra, Jonghyun and Siwon.

The Hug Challenge started by Sean of Jinusean. The person who gets hugged has to donate 10,000 won which is equivalent to 20 coal briquettes to the Coal Bank, and then has to hug 3 more people within 24hours.