Alteration

In the year 2017 humans were at war with hell. Thanks to 7 Individuals who wield the seven deadly sins the world survived. Fifteen years later a young girl name Zora lost her father due to a demonic blood infection.

 

Not willing to accept this, Zora travels back in time to 2017 to alter her father's fate. Now she must survive through the war and experience the events that led to her father's life being cut short.