Zero Game is a Manga/Manhwa/Manhua in english language, Action series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.cc fastest updating comic site. The Summary is

Yoo Hanra: On the verge of giving up her life due to her misfortunes, she is granted another chance through an invitation to the mysterious Zero Game. What if she wins? She’ll be able to create a second life the exact way she wants it to be. And if she loses? She’ll die for good. With a shaky new partnership, skills to learn, and enemies chasing after her, she must find a way to finish all of the levels and meet the Operator to finally get the life that she wants.
A fantasy/drama story that follows a young girl as she participates in a survival game with the prize being a chance to rebuild her life to be better than the one she had. And the price of failure being her death.