Sunny Hill, a hot issue in K-pop with a new song 'Grasshopper Anthem', showed off strong friendship with IU.

Sunny Hill said "IU helps us alot by posting our album releasing dates and reviews on her twitter. That's why we call IU Marketing director".

They added on "IU is very thoughtful. When giving speeches at awards, she never skip mentioning us". 

Sunny Hill came back with 'Grasshopper Anthem' on Jan. 13, heart-warming lyrics drew much attention.

Photo: LOEN Entertainment