Hello anons. New rrat just dropped:
Erina is actually only ~25 and is intentionally pitching her voice down. Reference
https://youtu.be/jgpqk_1Y8cM. If you listen closely, it sounds as if she has the timbre of a woman in her 20s as opposed to a woman in her 30s-40s. But what do I know, I'm just a schizo.