Xu Yiyang is a post-90s artist, born in Nanchong, Sichuan Province. He made his debut in the LEGALHIGH group and gained a lot of attention. When Xu Yiyang was a probationary member of SM Company, SM Company in South Korea prohibited artists from dating.
In 2020, Xu Yiyang participated in Creation Camp 2020, released the single Listening in July of the same year, and starred in Time and You Hope Hello in February of 65438.