>>2196812>is the manga any good?Better than the anime imo, even if it's hard to tell the gems apart sometimes.
I've found some AMAZING artists on Pixiv, most of their stuff could be user as wallpapers.
https://www.pixiv.net/en/users/298133https://www.pixiv.net/en/users/15251377 <- this one especially
https://www.pixiv.net/en/users/23969749 