those bases are f2u, that means you are free to use them, as long as you credit me!
You can: 🌌alter the lineart 🌌add things 🌌make adopts, custom designs, ocs etc.
you can't: 🌠erase my watermark 🌠use this base to make ych's 🌠claim this base as your own, or sell it
have fun with them!