Orange Marmalade is a webtoon written by Seok Woo.
Vampires were once hunted to extinction, but for the last 200 years there’s a peace treaty between humans and vampires. Now vampires are living amongst the humans hiding their nature by drinking only pig blood. However, vampires are still predators by nature and still desire human blood.
This story is about a high school vampire girl who accidentally nips the most popular boy in school while napping.