While Rize tends to be blunt with Cocoa, she often finds herself dragged into things because of her influence. She also trusts her to use her prized gun for protective purposes.
She is friends with the younger girl and seems to understand her fairly well. She often talks to her whenever she feels sad or upset.
Rize is unaware of Sharo's feelings, but she cares about her and has a close friendship with her. They bond over several things.