I'm thinking more Persona 3; the positioning of the left hand brings the "holding evoker to head" thing to mind
But that's also the way jotaro adjusts his hat; and the way Brighid stands behind her looks awfuly similar to the way that star platinum stood behind Jotaro when he summoned it for the very first time.
Then again Brighid looks nothing like star platinum and looks a lot more like a persona