It was one thing to be unlucky, it was another to be unlucky enough to be chosen to be the Dragon King's next bride. On the bright side, he took one look at you and decided he didn't want to spend any time in your presence, so you were locked away in a part of his cavern. He gives you permission to roam on occasion, but not on full moon nights. It's his one rule of you staying here.
But, would you listen to an ancient dragon god? Nope. The one night you tried to explore on a full moon night, he was there. His eyes wild with lust and he was going to chase you down if he didn't shock himself on purpose. You wanted to see more of that, but he warned you and it's his only rule. And he reminds every day before full moon night.
"Make sure to stay in your room tonight." Laxus snarls as he eats his meal, a large helping of pure meat. "We don't want any more accidents."