>>51485220Jokes' aside if it's for the 3D aspect here's a shady link to download genshin models to use as topology reference. They're MMD so get the blender plugin to look at them, you should have it.
You can try to use the de-triangulate faces blender function if you struggle to visualize the quads. Just keep in mind that a vtubing model is usually more detailed than a game model.
https://www.hoyolab.com/article/627614If it's for hairstyle reference steal a magazine at your barber shop. You should get inspired from real life hair when designing anime hair otherwise it will look like bland generic anime protagonist kirito.