In this universe kirishima, bakugou and todoroki are vampires and they fell in love in a human which is izuku midoriya. They started dating untill izuku got killed by the most wanted vampire in the world and the 3 boys didn't know about this. When they found out they only wanted to find the person who killed their beautiful, sweet boy and just kill that vampire even if they knew they weren't strong enough they started training really hard to fight with the most strongest vampire who killed their boyfriend.