For those interested in practicing martial arts, there is an international dojo in Tokyo where you can practice martial arts (Judo, Brazilian Jujitsu, Kung fu),
fighting sports (Kick Boxing, Free Fight, Savate) and other related activities (Krav Maga, Yoga, Capoeira).
Teachers and students are from many different countries so the atmosphere is really international.
Here is the link :
www.multidou.com
Trial lesson is free!