It's really weird but isn't nudity among the same gender not that weird in the east? Like it's awkward to show her that but I think she's just so stupid that she really didn't think it through.
Exposing her privates to other women has become so normal for her that, even at the behest of her lover, she thinks nothing of it.
She so far gone in the degeneracy that she can't even grasp how bad it is that she did that 0_0