Have some trust in your nurse, she knows what she's talking about. If some of the female Servants in Chaldea start showing interest in white men all of sudden, you know who to blame (thank). The Asian Servants will certainly listen to her advice.
I think it’s one of those things where she’s technically a fafu. I can’t remember where it stated, but I’m pretty sure it mentions in some game that her mother was Japanese.
It should always start early, teaching them how to properly worship and show appreciation for white dick.. what better way is there to do that than getting them to the point they can practically swallow that godly staff with ease?~ The only proper way to show a white man their superiority is to noisily swallow and slurp on that fat Caucasian cock after all~