I'll (singer)

[2][3] Besides his solo work, he is also the front man of Hoppipolla (호피폴라), a band that won a television talent show called Superband (슈퍼밴드) on JTBC in 2019.

[2] He double majored in jazz piano and composition at the Boston Berklee College of Music.

[5] His second single album, titled Last Winter (그 해 겨울) was released in 2018, and featured singer Juniel.

[6] He also contributed to the original soundtrack of the television drama Partners for Justice 2, with a song called "Poison", written and produced by his brother.

[9] In 2020, No contributed to the original soundtrack of the tvN South Korean television series Oh My Baby.