Han Seung Yun (한승윤; also known as Yun (윤)) is a South Korean singer under FLEX M. He is a member of the duo LUNAFLY and the group NZN. He released his first solo single "Wonder Land" on February 21, 2017. He then officially made his solo debut on February 15, 2022 with the mini album The 1st Mini Album 'Lovender'. Read more on Last.fm