Which artist's single featured a guest appearance from Sulli in 2018?
PSY
G-Dragon
Dean
Sunmi
Answer
Dean is a Korean singer and songwriter. In 2018, his single "Dayfly" featured a guest appearance from Sulli, a former member of the girl group f(x). The song was released on March 22, 2018, and peaked at number 10 on the Gaon Digital Chart.
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