Singer IU and group Sunny Hill revealed a backstage photo.
On the 14th Sunny Hill member Seung Ah posted on her Twitter a photo of IU surrounded by Sunny Hill members.
Sunny Hill members made silly faces behind IU, expressing their closeness with one another.
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IU acted as a promotor of Sunny Hill's new album, constantly updating photos with them and etc...
Fans who saw the photo commented "they're going to squish IU, should have put her in the center", "cute face expressions, they must be really close", and etc...
Photo Credit: Seung Ah Twitter