Milky Way ◆ ミルキーウェイ
Cozy SM/Fetish/Kinbaku bar, set-up as a Happening Bar (membership system, single/couple pricing etc), but not geared at vanilla sex. Holding weekly lessons/salons on rope and other BDSM practices (check schedule
TKS Oasis Lounge
Somewhat monthly casual (no-dresscode) lounge event organised by the Tokyo Kink Society, taking place at Bar Suree in Ebisu. Check website for schedule.
Department H ◆ Depachi
Long-running monthly fetish event. Nowadays mostly a place for tourists, rubberneckers and/or people with something to advertise. Extremely English-friendly (heavily foreigner-oriented).
Potentially worth going if no one is around to take you to more interesting events.