Sunny Hill member Kota sends her thanks to IU. 

On the 29th, Kota posted a picture on her twitter along with the comments, "IU IU IU. Thank you so much for helping us out today. So cute IU <3 "

In the picture, Sunny Hill members and IU are all holding a tangerine in their hands. IU, dressed as a man, is catching the attention of fans. 

On the 29th, IU helped Sunny Hill during their performance on SBS 'Music Trend'. 

Fans have commented, "I really want to see IU's surprise appearance" and "It's nice to see them helping each other out."