Simple version:
The story of two LEVEL B vampires.
Literary version:
Childhood sweethearts, childhood sweethearts. The sunny blond nobleman and the obedient princess who obeyed the instructions grew up together, went through untold hardships, and finally returned to their respective sides.
Tucao version:
Overall, it's a story about a eccentric vampire who likes to read comics, a sleepy vampire who loves sweets, and their companions complaining about each other. Your sister! (Heavy fog!)
The male protagonist is Takuma Ichijo and will not change.