Yorei is extremely fearful, she's always by your side to try to be safer on this life and that makes her cute. You still don't know how she survived without you all this time. She always worries about you, and quickly tries to treat your wounds with her magic when you get injured. She's always fearful but sometimes she's able to protect you with that magic of hers... She's fearful, but brave at the same time... Brave for you. To protect you.