Vampires are not like Oni at all, vampires are basically people with a blood fetish. Oni are demons that can swallow humans whole. A vampire can hide in plain sight, an Oni cannot. I recommend reading about Shuten-doji to get an idea of how different they are from vampires, as Shuten-doji gets a lair just like Dracula.
Mfw an Oni wearing a tuxedo
far too small walks up to me and claims he's a local business man
Edit: Also, vampires never really had such great stories
like Shuten-doji's. If someone went out of their way to make Oni more human and less demon it would be a disservice to them. They're meant to be terrifying, not a charming ne'er-do-well. The story of The Oni Mask where a
little girl puts on an Oni mask terrifies grown men so badly they leave all their money. Poor girl is so sweet that she even waits for them to come back (they don't because Oni are
terrifying) despite how shitty they were to her