Issin Hishikawa won his first crown and Ayumi Fukushima claimed her third straight title at the Japanese national championships of breaking, also known as breakdancing, on Sunday.Breaking will make its Olympic debut this summer in Paris, where Japanese b-boys and b-girls are expected to contend for medals. Performers usually go by their stage names.The 18-year-old Issin defeated fellow teenager Hiroto "Hiro10" Ono 3-0 in the men's final after upsetting three-time champion Shigeyuki "Shigekix" Nakarai 2-1 in the semifinals at Tokyo's NHK Hall."I gave it my all against Shigekix," said Issin, …READ FULL ARTICLE