If you kept the lacing very loose you may be able to dance, but it really depends on the type of dancing. I'm not familiar with Butoh, so I can't say for sure.
I've been able to dance with 120 needles in my back (just regular dancing at a club), but had some issues with movement when I had a chest/neck corset. Some of the people I've done corset piercings on have been fine moving, others found it difficult.
I also think you would have a hard time leaving them in for 5 days. I've found they're pretty comfortable for an evening, but if you leave them in overnight, they get a lot more sore.