important

The vampires hold their annual mating ball, they called it the Red Moon Ball as at this time the moon turns red. To celebrate and honor their connections with the demons, the Vampire King Isaraf invited the Demon King and his sons to participate in the events.

Somehow weasling their way out of it, Meliodas and Estarossa doesn't go to the ball. Zeldris, not wanting to do anything but train, is forced to go and try and win Gelda's heart. But what would happen when they find out they have so much more in common, than anyone suspected?