[Oona stares at the hand for a few seconds, before she recognizes the gesture. Oh, right. Greeting rituals. She takes Nanako's hand and shakes it, albeit uncertainly.]

Ah. Will call you 'Nanako' then. Here, am told am 'Eris.' Do not mind that name either, so it does not matter. 'Oona' is not really real name either so it is fine.

[A pause and she glances around, fearing she knows the answer already but feeling compelled to ask anyhow:] Parents...?