MTL - You Used to Be My World - Chapter 7 Not as good as a dog on the side of the road

Oosuki Masato is an ordinary high school boy who is magically transported to an alternative world, but for some reason his doting, over-protective mother comes along as well.

Spot was summoned from his comfortable charging pad and familiar floors to a world of magic and intrigue. After the flight of his new patrons, he is left to care for a filthy castle. During his quest to keep this new home clean, he will face demons, foreign armies, and the dreaded stairs.All those who stand before him will be swept away. Those who follow his spotless trail will find enlightenment, purity, and a world on its knees.Follow this wholesome vacuum on his quest to power.

David became a pioneer in the Tiran Kingdom and acquired his own territory, becoming a village chief under the kingdom’s rule.

Although his land was located in a somewhat remote and harsh environment where crops were difficult to grow, and the village was only inhabited by him, David believed these difficulties could be overcome.

David declared, “My territory is open to all realms and dimensions. I won’t go looking for you; you come to me!”

- Description from Novelupdates

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