Unnecessary. This is much easier to move in, in case of combat.

[On second glance, this person is obviously a child, probably unarmed? Still worth asking for a fight, though. Children can be surprising.

Why he's blushing, she really has no idea. After all, it's just a bathing suit. Totally normal everyday wear (no).

If he can bear to look at all that exposed skin, he'll see a startling array of freshly-healed scars, almost all of them looking to be from blades. The placement of serval suggests that she probably shouldn't have survived whatever caused those wounds.]

I would suggest you do something similar. Ease of movement is important.

[Also yeah, it's kind of obvious she's never seen this kid before in her life.]