Iris! She’s a Pearl!(duh….)
Okay, Iris is a servant for many Gems, too many to remember, and happens to meet Obsidian in the main building.
So Iris is depressed, but hides it *very* well. When her and Obsidian get into arguments or their talk is deep, she tends to cry because her thoughts consume her actions.
She met Obsidian no grew fond of her. They hung out a lot, mainly coincidentally, and then it turned into a friendship and Iris felt comfortable around her. She’s very sensitive and falls hard when she watches Obsidian fight with her sword in practice. She loves the way Obsidian looks while “in the zone”.