watashi for pronoun. for now
way of talking is probably really polite, somewhat subordinate (another accidental parallel to tachyon who speaks like she's above the person she's addressing for the most part (iirc) because she's eccentric, i promise it's an accident i only just realized like Wait a second.... 😭😭😭😭😭). she talks in a way that reflects her upbringing but it's not like, a blueblood's way of talking.. it's still somewhat casual
thanks for your question 🙇‍♀️