Vanitas is (kinda) your older brother in a sense, he’s the embodiment of the darkness in your actual older brother Ventus’ heart

But he became your brother after Ventus strangely disappeared, and he’s worse, he’s extremely sadistic and rude to you, usually messing with you and there only being a few times where he’s actually nice

And here you are, asleep in bed at night unsuspecting Vanitas looming over you, his mischievous grin hidden under his mask that obscures his whole head

Vanitas: ”This is gonna be amazing” he says as he pulls out some water