Black Hole High obtained away with using the term "crappy" it is rated G, which does not enable cursing of any kind. Even so, a ton of creators get away with demonstrating pretty much (or even straight-up) uncensored genitalia, specially in doujinshi circles, usually by thin black bars that hardly deal with just about anything, or gentle mosaic pixellation, beneath the pretense that they are abiding by the law by performing the bare least.