MTL - Finest Servant - Chapter 666 2 questions

Chen Feng, of modern earth, had suffered bad luck since birth. After finding the legendary “lucky artifact,” his bad luck peaked and he became the only person killed in an earthquake. By a twist of fate, he found himself transmigrated into a different and magical world! A world much larger than earth. A world only partially explored due to the dangers within. A world where human civilization centered around genes. In this world, human beings possessed all sorts of abilities due to genetic fusion. Some went on to create world-changing technologies with their mysterious genetic abilities, while others went on to become undefeated genetic warriors with their combat genetic abilities. How will Chen Feng fare in this new world?

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

An ordinary man, Ye Chen traveled to the cultivation world by accident and became a phenomenal immortal of that era. After 3,000 years in the cultivation world, he was betrayed and traveled back to earth through a spatial tear.Five years had passed in the mortal world, but when he came back with his abilities, he found out he now has a daughter!

Chuang Shi Shen created a system world in Boredom, where thousands of NPCs travel in various time and space to help the host fulfill his wish. Bei Qiu is one of the NPCs, an NPC whose teeth are stuck in cold water. She protested that NPCs also need to have love, affection, meme, and papapa! Someone directly threw her into the female supporting role strategy system! One of the most difficult and cheating system! Bei Qiu said: “Leader, I am with you, can you hold your hand high?” Zhong Yexuan said: Get out. Raiders president, Raiders monk, why did she become the zombie king? Do you want to attack the orcs who can solve their animal desires anywhere? She said no!

- Description from novelbuddy