He saw an early underground success within the sub-urban Japanese scene when he produced Lil KOHH's song "Young Forever."

The album was a fair success among the urban acts and its lead track "I don't mind if I'm poor" (Japanese: 貧乏なんて気にしない, Hepburn: Binbō nante Kinishinai) had a big reception on YouTube.

In 2015, KOHH along with Japanese artist Loota collaborated with Keith Ape's track "잊지마" (It G Ma) which became a major hit single in Japan and South Korea apart from gaining international media attention.

In 2018, Chiba was featured in an exclusive bonus track "Runway", in the Japanese iTunes version of Mariah Carey's Caution album.

[11][12] He made his US TV debut at the 2024 MTV Video Music Awards when he performed the song alongside Megan Thee Stallion.

[13] In November 2024, American artist Will Smith released his own remix of "Team Tomodachi", marking one of the highest-profile Western collaborations on the track.

[14][15][16] Chiba has been mentioned several times as a major influential force to the Japanese hip hop scene in recent years.