Hello Ezariel, thanks for your support. (n__n)
1. please simply select the 'custom size'and fill up your exact body size, and our tailor will adjust the costume size to fit you.
*Custom size costume doesn't charge extra cost.
2. Yes, that is a part of the kimono design (it is not a separated skirt).
3. Yes, please submit ticket (with product link, request & your reference images) to our Support Center and let my teammate helps you directly.