so is my (our) itch.io! the tachioda doujinshi can be digitally downloaded for free or pay-what-you-want if you want to tip us. my partner starbeetles and i have future collaborative doujin plans and they will join 千眼千手 here when they exist.
here's the corresponding twitter thread. it links to videos of the holo prints in motion plus photos of the other merch.