MTL - The Day I Checked In In the City - ~ take an exam

Clarence, a man married into the Murphy family, was disliked by all his in-laws, his wife, and was facing the possible fate of divorce.

All because he was an orphan and was not highly educated.

But in truth, he was actually the young master of one of the wealthiest families in the world.

And one day, he gained a strange ability.

I met the male lead in prison.

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

Having transmigrated to a new world and becoming an ordinary Blacksmith in a Blacksmith Shop, Ye Feng shortly has the Master Blacksmith System activated.