His eyes are glinting, bright red. He grins
Vincent: Y-yes master~!
He licks more, harder
Vincent shakes his head
Vincent: N-no...you-you're very generous master...~
Vincent: Yes...~
Vampires get very submissive towards the person who feeds them for about an hour after being fed-Vincent's now more or less completely under Elden's control
Vincent: T-thank you master..~
He smiles up at Elden
He cuddles into Elden's chest, feeling drowsy