Lee Jae-yoon (Korean: 이재윤; born August 9, 1994), also known by his stage name Jae Yoon, is a South Korean singer, dancer, actor, and model. He is a member of the South Korean group SF9 as a lead vocalist and dancer. He is known for his vocal range, which he has showcased in solo contributions to various Korean drama original soundtracks (OSTs) and live stage musicals.

Lee trained to be a k-pop idol and performer in the talent company FNC Entertainment's rookie training program Neoz School. In 2016, he competed in the nine-member dance group NEOZ Dance on the Mnet survival reality show d.o.b.: Dance or Band, where he and his group mates competed for a chance to debut as FNC's first boy dance group. They won the competition, and debuted as FNC's first male dance group with the group name SF9 (short for Sensational Feeling 9). They released their first single "Fanfare" on October 5, 2016

As an actor, Lee began his career as a supporting role in the interactive web drama Click Your Heart (2016), and later played a lead character in the web drama Love in Black Hole (2021). He is best known for his acting in live stage musical productions, including Founded (2021), Another Miss Oh (2022), and Seopyeonje (2022). Lee joined Seopyeonje, a long-running, award-winning South Korean musical, in its final season, garnering media acclaim for his adaptability and growth as a musical actor.
[https://en.wikipedia.org/wiki/Lee_Jae-yoon_(singer)].

song: Puzzle by SF9 / 에스에프나인
Credits to the rightful owners.