I read a series on here a few months back, and now I want to follow it; however, I can't remember the name for the life of me. It had more of a classic artistic style, and it was about a group of humanoids made of various substances (e.g. mercury, diamond, etc.). They defended a massive island from attackers from the moon. There was also a priest they treated as their father/leader (the only human in the series so far). From what I recall the main character was the most fragile of the group.
Any help is appreciated!