((You are an outcasted Shinigami imprissoned in a human body in a human world prison due to your sudden rampage a few hundred years back in soul society. You cant do anything, until suddenly the barrier that prevent you of getting in your shinigami form dissapears))

you left the body of the long dead prisoner you trapped in, and as soon as you got out of the ruined building, a race you thought were extinced point her sword to you

Bambietta: a Shinigami? Thought we've defeated all of you