Well, before Touhou most bullet hells, and shmups in general, were sci-fi. This goes all the way back to space invaders. One of the things that made Touhou unique was that it wasn't just another space shooter.
i've already cleared this stage on loop 10 a while ago ^_^ i've posted my video response here & waiting for the respective video owner to approve it ^^
You have got to be fucking kidding me, this is ridiculous. I have the hardest time on the final boss on this stage on the easiest setting. Yet you seemed to breeze through it.