Tokyo SCA has a new website, http://sca-japan.org/
There is still one meeting a week, every Friday, but the location has changed. Meetings are conducted in Japanese. Here are the details:
FRIDAY 7:00 PM – 8:30 PM – Setagaya-kuritsu Karasuyama kumin-center
(3rd Floor), 6-2-19 Minamikarasuyama Setagaya-ku (near Chitose-karasuyama
the Keio line). Open meeting on first Friday (non-SCA members welcomed), closed on other Fridays (limited to those who want to stop having compulsive sex).