I said morally dubious not wrong
If he has the opportunity to get his dick wet no matter what he tends to do it, if it was the girls being more willing it would be good.
But this whole episode feels like ts Stockholm syndrome, the elf is bitchy and her queen treats her like shit. But she is basically forced to do degrading stuff or suffer. Whatever relationship goes on I can't see it as wholesome or even mildly okay.
And Arthur then stares at her ass.
Like I said it would be cool if we see him being a genuinely good person instead of just being told he is a good person.
Right now he feels like the average Isekai mc, who is polite