Sneaking up on/scaring Sanavava is a bad idea. .D.
And this is why Sadi doesn't particularly like her. A full-on fight between these two would end with Sadi as the winner--but she'd probably have a couple of broken bones. A simple, non-lethal tussle would end with Sana winning---but both with bruises all over.
Drawn to Sweet Devil [link]
by Hatsune Miku.
Sadi and Sanavava (c)