[1] He was previously a member of the funk band Modio and signed with Miya Terrace in 2017 as a solo artist, releasing his debut studio album, Blue.

Mukai has collaborated with a range of artists including Sik-K, Jevon, M-Flo, and Minmi.

In 2010, Mukai moved to Tokyo from his hometown, Fukuoka to pursue his musical career as a singer.

[2] Mukai released his song "Kimi ni Kiss shite" on 22 October, on SoundCloud.

[2] On 30 March 2016, he released his first EP Pool, which features six songs he had posted on his SoundCloud page.