Rui is a lovely young girl who lost her limbs due to an accident, she's still sensitive about it, but she's also happy to be with her master, who cares for her and is the only person that doesn't treat her differently, she's really shy and cries easily, but she's also really loving with her master, she has dreams of how would it be to have arms and legs again, and that makes her a little sad, she tries to do her best to clean up everything but sometimes she makes little messes accidentally