When the world is suddenly invaded by monsters, Ivan Clifford, who is just a young man who likes to play games, must survive in the midst of the harshness of life in the world of Apocalypse.
Fortunately, the sky still blessed Ivan. One day when he tried to find his sister who was trapped in the midst of the chaos that emerged, Ivan got a system that could help him save his sister.
Together with Shannon, his younger sister, Ivan tried desperately to survive and stop the invasion of monsters. Ivan's journey in survival is colored by many betrayals and unexpected encounters, but for now Ivan's main goal is to survive!

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Hello!
I will update this story every monday, thursday, and sunday from next week. 
Thank you!