Tsugi No Level - Chapter 12: Lost Time

The hermit is an immortal, traveling between the peaks of the azure clouds.He refines in the Yin-Yang Furnace, the Great Dao path resides within his heart.Luo Chen traverses through the cultivation world with a proficiency panel, refining pills, mastering techniques, and studying arts, step by step advancing on the path to immortality.

This is a story about the protagonist getting the system, going crazy in the biochemical apocalypse, producing aircraft and tanks, destroying zombies, saving good people and killing bad people.

- Description from novelbuddy

Who could have guessed that the accidental discovery of a pitch-black USB drive would one day turn Chen Chen’s world upside down?

She spent the night with the man who destroy her country, fleeing with their child in her arms. With that, she believed their relationship had come to an end. “Even if he’s another man’s child, even if he’s not of my blood, or even if he’s the child of a bastard, I’ll raise him as my own.” Until he came to her with eyes as ferocious as a beast. “Don’t even think about running away using the boy as an excuse. I’m still struggling to control the urge to crush the little creature that took you away from me.”