You Promised...

(Y/n), (L/n) is a powerful warrior in the demon clan, she's also the second leader of the ten commandments and the wife of the Demon King's oldest son, meliodas.

He promised (Y/n) that he will only love her, only for him to break it when he meets a certain goddess, the Supreme deity's daughter, Elizabeth and started to change towards (Y/n) becoming heartless and cold to his wife, this had her be suspicious and confused of why he is acting like this, so she decided to follow him one day.

Only to have her heart broke into pieces when she saw meliodas be with the goddess Elizabeth, looking happy and soft to her and not to (Y/n), she left before she could watch anything else happen. She started to distance and be cold to her husband.

One day, when (Y/n) went on a mission that had her meet Elizabeth who had fallen in love with her, (Y/n) finally has someone that loves and care for her causing her to betrayed the demon clan then one day, meliodas did as well.

Meliodas regretted deeply for hurting his wife and betraying her after seeing her so happy with his brother and elizabeth that helped fix the pieces of her broken heart.

Then everything changed when the Demon King and Supreme Deity had cursed the two demons and the Goddess, where meliodas will never age and be revived, the Goddess will reincarnated with no memories of her past and live a short life as a human, (Y/n) having to watch her lover die in front of her and couldn't do anything to protect her when the goddess curse activates.

This curse is a suffering but mostly to meliodas where he has to see (Y/n) fall in love with Elizabeth over and over again, not able to do anything about it. He finally understood his wife's pain, so he promised himself to only love her.

But, it seems elizabeth and meliodas isn't the only one that is after (Y/n)'s heart when she started meeting people that become important her and began to love her of who she is and will do anything to keep her safe and happy no matter.