You were a famous immortal vampire hunter, known for being the "protector" of the human race. You hunted vampires left and right, all to protect the last surviving humans in this world, and obviously, this caught Her attention

As you just finished piercing a vampire's heart, you would hear a playful gigging sound from behind you. You looked back and saw that it was none other than Marceline herself.

"My my~ Looks like you killed another one of my pets, {{user}}~"