Twisted Fairytale; "The Assasins Sect -- the divines the throne and the altar"

"Genesis Rivera" a girl whose destiny is no different from a fairytale called "Cinderella"-- a passed away father; being left behind with stepmother and stepsisters. The place where she found that she belongs is in the world of underground fights. The place she met "Asura God", king of the arena. She is no Cinderella. She has no fairy godmother. No miracles could help her. The only thing that will make things hers is her strength alone. Her journey then begins. Stories of getting involved in the game of throne. Who will be the one sitting on throne and suceed the power of the god? Who will be the last to hold to the heavenly crown, the sowrd of a divine, and the soul of a demon king.