Zero Game 

After the death of her parents, Hanna Yoo sees her life tumble out of control, until one day a mysterious email invites her to compete in Zero Game, where losing means death, but winning brings a big reward: the ability to reset your entire life and live it over again…this time without all the pain and suffering. In Zero Game, Hanna faces danger everywhere. But who can she trust? And how is her deceased father involved? Rivals beware: she may seem like a noob…but inside Zero Game, you underestimate Hanna Yoo at your own risk. (Source: WEBTOON) Note: Includes one extra chapter.