They

He challenged The Author
To fight for what he believed in
He believed in her
But he still has to fight
For her trust
...
In this universe, your soulmate is set even before your birth, you will be born with a streak of hair the same as your soulmate, chosen by The God of Soulmate's named The Author.
However, his youngest son despises this and erased the name of Leena soulmate, so that she may write her own story. And for this, he was sent to Earth to undo want he had done.

Or he will lose everything.