Doomsday High Martial Arts: Krypton Life Slaying Demons from the Summer Vacation

The world is about to end and monsters are everywhere.Ninety percent of the world's area has become a wilderness forbidden area, and humans live in safe cities under the protection of the Federation.Shen Xi, a pariah from the outer city, has traveled to this world for sixteen years.He had originally gone to school in the inner city thanks to his talent, and finally the summer vacation had arrived.But at this moment.After the conflict with the school bully, everyone except him died at the monster's mouth.Shen Xi, who was determined to take the risk, activated the krypton life system.[Cultivation: Introduction to Blood Training][Martial Arts: Baji Beng (Basic Martial Arts) (Introduction)]【Lifespan: 41 years remaining.】[Consume lifespan to speed up your martial arts progress and improve your cultivation.]…With the help of the system, Shen Xi completed the counterattack.But the result was that on the first day of summer vacation, he was forced to embark on a journey of escape in the wilderness...