Kouichi Arakawa won the open call for music collaborations by Shota Shimizu in 2021 and has been attracting attention with"Lazy (feat. ASOBOiSM/Kouichi Arakawa)".He released his first EP"Late night talking" in collaboration with BUNNY BUGS, the leader of Fukuoka-based CCS records. and mee, a producer also based in Fukuoka.