For Mystia, it's all about the thighhighs and either short skirts or something that emphasizes her butt as her entire back side is both nice to look at and the most effective to touch. While she does have a nice chest, her wings, back and the backs of her exposed thighs will bring the greatest reactions from her. She will usually agree to be tied up when asked so long as she isn't in danger of being snatched and eaten by Yuyuko and/or Yoshika. She isn't picky about gags, so use ones that compliment the outfit she's wearing at the time of capture.
