Stepping into a taishū engeki show is like being welcomed into a wild and flamboyant secret society. As performers in outlandish costumes dance on stage, delighted fans dance along in unison from their seats. Somehow, everyone knows the moves. Periodically, an excited fan will scurry up to the stage with an envelope or wrapped gift, or will jump into the aisles looking for more room to wave a glow-stick. This might sound like a crowd of teenagers at a pop concert, but many women in attendance are old enough to…
