To paraphrase Master Shake from "Total Recarl"... if that ever happened to me during sex, I would just run towards the nearest living thing and kill it.
I thought art with only a hint of guro (because it seems according to some that post #321200 and post #310905 count as guro) was okay, but something this extreme was strictly off-limits.
Then again, it was posted about two years ago in two months from now, rules might have been lax back then.