One of the 69 Escher Girl fighting forms

 My brain hurts trying to parse this... at first I wasn't even sure if that was her crotch or she was in a boobs and butt pose... anyway, honestly this is a pretty effective fighting ability if you can pull it off, just mess with your opponent's sense of reality and then kill them with your battle fans.

(Suseribime from Minerva Knights/Legend of Minerva, G-Gee Games)