>>536246090
It doesn't look like one but an arming doublet is usually pretty puffy. The way it has a turtleneck makes me think that's what it's supposed to be even though the torso looks too thin.
But now that I look closer at her actual artwork, she's clearly wearing dark cloth under her armor that I had previously assumed to be mail. So yes I think it's safe to say that Ferrejit canonically stripped Ecclesia bare and groped her tits while kissing her belly.