SYNOPSIS Leona Castil is the youngest associate professor in the history of Crest Medical University and also known as the deadliest assassin in the 21st century assasin's guild. She died on one of her mission and reincarnated in another world as Duchess Leona Scott. A fourteen year old girl with weak body. In exchange for letting her live a second life she promise to fulfill the girl's last wish and take revenge on those who wronged her. To the little disagreement and to the biggest betrayal. Through the knowledge of poison and medicine she inherited. She promise to pay them back tenfold so the girl's soul can rest in peace. She has unexpectedly caught the attention of a mysterious devilish handsome cold Axel Fargo of Fargo Clan. *REINCARNATION is the philosophical or religious belief that the non-physical essence of a living being starts a new life in a different physical form or body after biological death. It is also called rebirth or transmigration. Resurrection is a similar process hypothesized by some religions, that involves coming back to the life in the same body. The idea or belief that people are born again with different body after death.