Kamone Gakuen Academy is best known for being the home of the Seven Wonders now turned Eight. Lately, there's been talk about an eighth name Akaibara of the Garden, where if you pluck a rose after school hours from the school garden you'll be in debt to Akaibara. Not much is known about Akaibara or about who she was in her time alive, all that is known about her is that she was murdered and her life as a human and as an apparition is shrouded in mystery +++ "Akaibara is no friend or foe. She is your worst nightmare" +++

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." +++

3,000 years ago, Y/N, princess of the Demon race had betrayed her own along with her older brother Meliodas, prince of the Demon race and started a Holy War. Although there was nothing Holy about it. Bloodshed was everywhere, and many were lost. While her brother had betrayed their clan out of love for the Supreme Deity's daughter, Y/N did not have a reason. She only followed Meliodas wherever he went. Though she soon found the reason. Y/N didn't care anymore about why she or her brother betrayed the Demon clan as long as she had him everything would be fine. And he was Fairy King Gloxinia. King of the Fairies. He and Elizabeth then and there had deemed the eldest children of the Demon King, Meliodas and Y/N, their very lovers. She kept every promise Gloxinia made her keep. Only if they knew back then that one promise would separate them for thousands of years. +++ "If something ever happens to me or I do something stupid, I want you to protect Gerheade for me. You two are precious to me; I don't want to see either of you hurt." "I-Idiot, you shouldn't say stuff like that!" +++ But Y/N kept that promise anyway and is still keeping it. Vowing to protect all that he loved. But what Gloxinia and Y/N didn't know was that they both made a promise to themselves. Promising that if either of them ever did anything stupid they would save each other. +++ "I promise you this. I swear I'm going to save you" +++