Seon Ye In, known professionally as Sun Youl, is a South Korean singer, dancer and member of UP10TION (업텐션) and WATERFIRE (워터파이어). He graduated from Global Cyber ​​University with an associate's degree in K-Pop.

He made his debut in September 2015 as UP10TION's main vocalist with their first EP, "Top Secret". They are managed by TOP Media (티오피미디어).

In December 2022, he participated in "Mr. Trot Season 2" as he wanted to venture into a different genre.

In March 2023, the agency announced he was parting ways as his contract had expired, and he decided not to renew it, but he remained part of the group. In December of that year, he signed with Redstart ENM (레드스타트이엔엠).

Then, in January 2024, he entered Mnet's survival show "Build Up: Vocal Boy Group Survivor". He joined 3 other contestants for the "One Team Mission" and reached the finals, where they ended in 3rd place. After the show, he re-debuted in May 2024 as WATERFIRE's leader with their single album, "Possible". It has not been determined for how long the project group will remain active.

(Source: MyDramaList) Edit Biography