procedure. does it hurt? or does it feel good? >> this pain changes through the ecstasy. >> she said when she is tied up, no need to think. just leave it to the other. >> performance art? craft? fetish? or compulsion? it's an old and shockingly omni present feature of japanese popular fantasy culture. magazines, movies, even comic books, the intricate restraint of a willing victim, well, it's there, not far from the surface. >> what percentage of japanese