"Belllie've you! Hello, I'm Suhyeon!"
Kim Su Hyun (김수현) is a South Korean actress and singer under MYSTIC Story. She is a member of the girl group Billlie. She was a part of the trainee group MYSTIC Rookies. She was a contestant on Produce 101 but was eliminated ep. 5 and ranked #69, and in MIXNINE and was eliminated in the final episode.
She debuted as a member of the girl group Billlie on November 10, 2021 with the mini album The Billage of Perception : Chapter One.
In 2017 she made her acting debut in the drama Girls' Generation 1979.