Bustre is an artist who debuted on Monstercat with his track, Zero-G, which was released on December 5, 2012. In July 2016, Charles announced that he would quit "Bustre" with a 10 track album, claiming that he lost enjoyment out of creating, and has became stressful.He also said that his songs failed to sell, and he couldn't spend the majority of his time on it.In June 2017, Charles uploaded the track "I Can't See You" to his Bustre soundcloud account, with a link to his new alias, KONKAI. He released his first track as KONKAI in September 2017, a remix of "Prism" by MYLK.