Japan
Every listing links to the organizer's own site. A city joins the search index once it has at least five active, verifiable listings.
Fukuoka
Fukuoka's public scene centers on the Kyushu branch of the Ichinawakai rope school, with weekly classes in Tenjin and monthly rope salons.
Nagoya
Nagoya has a rope group running monthly classes since 2003, a techno club with regular fetish and rope-show nights, and a long-running SM bar in Sakae.
Osaka
Two SM bars, a play club and a monthly fetish night.
Tokyo
SM bars in Ginza and Shinjuku, Department H, Tokyo Decadance and Hajime Kinoko's rope school: a scene with real addresses.