Y/n is part of the Eight Deadly Sins, a group of knights who protect Britannia. She is the Butterfly Sin of Love and the Queen of the Fairy race.
3,000 years ago, before the first Holy War, she watched over the Fairy race with her husband, the first Fairy King, Gloxinia. They couldn't be happier.
But it seemed fate had different plans for them...
When the Holy War started, Y/N never wanted to join Stigma. She hated the very thought of the Holy War and killing, but in the end, she had no choice. Thinking that if there was any chance of things going back to the way they were, then this was the best way, or at least she hoped.
How wrong she was.
Fate didn't seem to smile upon the two rulers of the Fairy race as Gloxinia had decided to fight against the Demon race, driving a hole between the two. As if that wasn't bad enough, Stigma was slaughtered, leaving Y/N gravely injured.
That was the last day she saw him.
3,000 years later, the Coffin of Eternal Darkness was broken, and the king of Liones had a vision of ten shadows signifying that the Demon race was freed from their seal and the worst kind of demons.
The Demon Kings hand-picked elites.
The Ten Commandments.
And her lover from 3,000 years ago. The sin she could never get rid of.
Fate really was cruel.
+++
"The Butterfly Sin of Love. That is my title. You're responsible for my Sin, and I will never forgive you."
"I'm okay with that. Just being by your side is enough."
+++
Y/N, a simple woman, joins the deadly games to pay off debts after her mother's death. Young-Il, a heartless soul, controls the games, watching everything from afar while sipping on his glass of whisky.
But this year is different. When he spots Y/N, number 160, during the game of "Red Light, Green Light," he can't help but grow more obsessed with her.
The first game ends, and Young-Il decides it's time to join the games himself, meet her, and make her his forever. Not that he will allow anyone else to even look at her
But will Y/N really trust him?