MTL - Invincible Level Up - v9 Chapter 700 , level 1 killer

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

At long last, Fu Zhi, the mysterious heiress who had developed countless technologies was given two guardians by the country! Initially, the Lu Brothers shut her out when she joined the Lu Family. However, after spending some time with her, they began to warm up to her and took turns showing their brotherly love for her by throwing money at her.

One day, Zhang Fan, a poor medical student, receives a medical system from the future. This turns him into a new shining star in the medical field. Along the way, he must face medical corruption, competition, and infighting from other doctors, and even find time for a love life as he strives for the top of the medical field!

After transmigration, Lin Yue could hear a voice whispering in his ear every day, sharing all sorts of secrets with him.Small matters like the thoughts of the girl next door, to great mysteries like the secrets of the heavens, the voice persisted daily, broadcasting randomly.He originally wanted to live an unremarkable life, but in this world of Xianxia dynasties where mortals are considered as insignificant as weeds, the fate of an ordinary man without power is no longer in his own hands.Thus, he had no choice but to stop being 'just a person'.'Your Majesty the Empress, you wouldn't want your secret of treason to be revealed by others, right?'