The Devil's Harem - Chapter 88 - Karen And Jessica?

Xiao Zheng was forced into signing a marriage and employment contract after a one night stand with the female executive of New Arcana Group.

During this time, he encountered many interesting female workers which he named them based on their unique characters…

Ice Goddess… Tyrannosaurus / Overlord Flower… Gentle Boss… Mischievous School Girl…

- Description from Novelupdates

The 27-year-old Wei Han is a slightly fat, slightly chicken-livered, and slightly foolish, pure-hearted and besotted top, and his sweetheart who had been together with him for seven years, in the end, was stolen away by Qi ZhiFan one morning.
Deeply broken-hearted and in despair, he went overboard with binge eating, and ended up pathetically choking to death…

"An accident. She's pregnant. How unlucky. She got pregnant in one shot!

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