The Insider System - Chapter 422: Hidden Hostility Pt.4

An ordinary young man on earth, Xia Feng, traveled to a world of sword and magic, and took the body of Lucien Evans, another ordinary young man.

【Ding! Beast Mode system binding successful!】【“Ding! Main Mission: Master of the House; As an upstart son-in-law, you should turn the tables and show your mother-in-law's family what it means to invite a wolf into the house.”】In a daze, an interface floated in front of Xu Bin's computer, with multiple side quests displayed. These included a voluptuous and sexy mother-in-law, a tall and seductive sister-in-law, a loli sister-in-law with massive tits, and several hidden side quests that were not yet visible.Tags: Harem, Mother-Daughter, Erotic Novel, Sister in laws, MILF, Housewife, Loli , Yandere, Lesbian

Hell Ghost Wang Wannian is born again, smiling and proud!
What?
Are you a soldier, will the tank drift?
You are a master, can you give birth to dragons and tigers?
You are a superman, can you call the wind thunder?
Excuse me, I am not targeting anyone, everyone in my eyes, it is rubbish!

- Description from Uukanshu (translated)

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