A New Shade of Red: An Adventure Time Fanfiction

Katherine Ingot has made plenty of mistakes in the past, and unfortunately, the majority of them happened during her time in college. When one of those mistakes happens to be a certain vampire, Katherine finds herself unable to escape his attention. When she starts showing an interesting in Flame Prince, however, Marshall Lee becomes desperate to prove himself and finally earn her affection. Will he finally open up to her instead and step past his bad boy facade, or will he have to find a new shade of red to lust after instead?