Vocalist best known as the main singer of the South Korean girl band After School and its sub-group, Orange Caramel. In 2014, she broke out as a solo artist with the chart-topping single "A Midsummer Night's Sweetness."
She was a barista at a cafe called The Coffee Bean & Tea Leaf.
She has received endorsements from companies like Samantha Thavasa and Baskin Robbins.
Her birth name name is Oh Hye-rin.
She has been bandmates with Nana in Orange Caramel.