ReonenMiruel said
It could very well be a pun of that, but the basis of the phrase is the word 燃える、which is 'to burn'. If you really want to get into the whole pedophilia thing, the more commonly used word for that is 咲く, which means 'to bloom' [easier to imagine if you're going to think of ... well, you get the picture].
Japanese is hard and weird.
