Sunny Hill (Hangul: 써니힐) is a South Korean girl group. The members consist of Misung, Jubee, Seung Ah and Kota. From 2007-2011, fans of Sunny Hill were known as 'Sunshines'. Following their rise in popularity, fans voted and had the name officially changed to 'Hiller' (stylized as HːLLЁR).
On January 19, it was revealed that Janghyun will leave the group to pursue his career as a producer.