Mackenyu was 9 in Oyaji when he played an uncredited character.
That was over 17 years ago in 2007.
This was his first recorded movie acting credit (although may not technically be his first actual acting role).
Today he is 27, and has starred in 27 movies in total, 25 of those since Oyaji was released.
In Oyaji, I think Mackenyu looks: