Glue?

Nights submitted:

http://www.marv.jp/special/game/vita/kaguraversus/character/haruka.html

"You know how Senran Kagura is basically Shinobi Schoolgirl Fanservice: The Game with gravity-defying boobs and clothes magically sticking to said boobs? Uh, yeah…"

I have no idea what’s going on or how anything works in this picture.  Invisible forcefields?  Glue?  Both?