According to the fanblog Ayu's Story, here's the link to Mizuno Shu-Ya's blog!!

FYI: Shu-Ya is one of Ayu's dancers, known for his trademark blonde streak in his hair. He made his debut in the PV for "My Name's Women,".

http://twitter.com/SHUYA_Mizuno

I think three more of her dancers have Twitter accounts as well....