Here are some ideas for you if you don't know what you want to imagine yourself looking like or sounding like in the story!
Faces:
(This one reminds me a lot of Tonowari and also fits in with the story because Y/N has a lot of tattoos from all her achievements)
(Those are pictures of Ronal but she's so pretty, maybe you could imagine yourself looking similar to her or maybe just like her!)
(Here's some pics of Tseriya. Kinda the same thing as Ronal you can look exactly like her or similar whatever you want)
Random shit I found online: