The Seven Deadly sins... The Demon Lord's Daughter?

The story covers the events after the Demon Lord's defeat. [One of my first books , please don't mind the errors] ........... "Zeldris is my one and only little brother" Says Meliodas's emotions ,imprisoned in the purgatory while the body causing havoc on the outer world. There's peace everywhere now and the sins have...

Meliodas has a Daughter?!

Everyone knows of the former Captian of the Ten Commandments and the Current Captain of the Seven Deadly Sins, Meliodas the dragon sin of wrath. However most do not know of his adorable daughter. Where did she come from and how will the other sins react to her?