What Does That Evil Dragon Live For?

Reading What Does That Evil Dragon Live For manhwa, What Does That Evil Dragon Live For manga with alternative name:  그 악룡은 무엇을 위해 사는가 with Description: Elaine is offered as a sacrificial offering to the malevolent dragon Rabess, who has arrived to annihilate the empire. However, it becomes apparent that Rabess is familiar with her. He proposes to fulfill three of her desires… Elaine deems it necessary to rescue the world and implores him to spare it. As a result, she is transported back in time to when she was just 16 years old. Nevertheless, Rabess appears to have an alternate agenda…