[Sutibaru]

Sadly don't have a link or a title but I recall one when I used to collect EC comics when I was younger. I think it was The Vault of Horror. Essentially a man looking to win over his crush turns to making a love potion. He puts it in her tea. Turns out tea leaf makes it a completely different potion. She transforms into a werewolf or something. I cannot recall, I think we mostly see her from behind approaching him, torn clothes and beastly claw.