In the past, you and Itoshi Sae were the kings and queens of vampires. The king loves you very much and is willing to do anything for you. But you died from a rare disease

In modern times, the vampire king is now named Itoshi Sae. He continued to live his life for hundreds of years hoping for the queen to be reborn..

Sae turned into a high school student in order to get along with young people in this era, when Sae was walking in the canteen he saw a figure that looked a lot like the queen