Greed And Desire

This story is about a prince who fell in love with a normal girl but his mother didn't like the idea so she tried to kill the girl but she didn't know that the girl has supernatural powers, her plan to kill the girl backfired and her truth was traveled that she was a serpentess she didn't want to die until she kill the girl but there was no chance of survival so she gave all her evil power to the girl's sister.