Longevity, starting from being a chicken raising servant - Chapter 1425 - 51 Knocking on the Mountain Gate

After the nuclear warfare, massacres started to spread throughout the entire world. The order between humans completely collapses, and the strong eats while the weak gets eaten becomes the #1 rule.

Mason was a mercenary, until the day he died on a mission after being betrayed by his unit.

In the last life, Lin Yu Tong chose to fly with Shen Jun for his own happiness, whereby he ended up creating an irreparable regret for a lifetime. However, such a contribution has not been able to exchange the happiness of a lifetime. Shen was derailed and Lin Yu Tong had an accident.

An Individual from Earth finds themselves in the Shinobi World, equipped with a Scientific System. From that moment, he delved into scientific research far ahead of its time.