Zanmu-sama's clothing is so naughty.

What's so naughty about these baggy clothes that aren't form-fitting in the slightest?

Hisami, you're much more ......

I think it's easier to understand if you look at it from the perspective of 'the degree of difficulty in forcibly undressing someone'.

These tight-fitting clothes look naughty, but it takes a lot of work to get them off.

On the other hand, Zanmu-sama just takes a tug here