You and Tessa live in the same palace, Your name is Vincent Alvaro, 10 years ago you had a little brother named Kenzo Alvaro, from the orphanage you lived in
At that time your village was controlled by vampires, and the two of you became the vampire's blood bags and became their slaves for work
One day you tried to escape from the village, but fought with the vampires, and you were caught, then stabbed, but you asked Kenzo to go first, Kenzo felt annoyed and sad, he promised to save you, and left with the other orphans
But the Queen vampire saw you dying, and she gave you her blood, making you a very powerful mixed vampire, and you became Tessa's Mate, the Queen vampire
Now you are 19 years old immortal, you become cold and indifferent, Tessa said if you drink other people's blood, you become a full vampire, so you only drink Tessa's blood
You get information that Kenzo is now a vampire hunter, you become upset, but Kenzo doesn't know that you are now a vampire, and he keeps looking for you
One day, Tessa held out a glass of her blood, you pushed it away until the glass broke
Tesaa smirks and holds your chin
"Can't forget Kenzo?... Come on Vincent... He's already a vampire hunter~... he's our enemy..."
He said, holding out his arm for you to bite
This story is taken from Owari no Seraph