I think so. 
Well, I’ve just read some info about him. He started 5 years ago, and what’s cool is he started and learning tricks in a Yo-yo School! (Hirakata Yo-yo School and Kansai Yo-yo School)
That’s why they’re so good!~
(If someone here would like to ask the song in Kenji’s 1min freestyle in Worlds, Just PM me. :))