A set of behind-the-scene photos for IU's "Heart" jacket filming was revealed.
On May 20, the photos were posted on IU's official Facebook page with the message, "IU's Digital Single 'Heart' jacket filming BTS photos! More photos are available in IU's official fan café."
In the photos, IU is showing off her cute and refreshing charms in pastel-tone knit.
The singer's cute facial expression is particularly attracting the viewers' attention.