After picking up guitar at the age of 13, Koji developed his playing around clubs in Tokyo playing guitar and drums in various Bands while at the same time working as an actor and model in shows and movies.
Koji also created ties with Racing teams after obtaining a class A racing license, and writing articles for Car Magazines.
In 2012 Koji revamped his musical activities through landing a deal with Simon Gibson (who re-mastered Harry Potter, E.T.) and creating the band “NW8”, the first Japanese Band who recorded an album at the famous Abby Road Studios.
“NW8” first toured in the UK and received high praises. The Band keeps performing around the World including Hawaii and Los Angeles and has been featured in various life style and music magazines.