Hunter Academy: Revenge of the Weakest - Chapter 941 - 216.1 - Overachievers

To correct the mistakes of his past, a young man is forced to narrow the space between science and witchcraft, as he ventures on a quest to save his world from complete destruction.

When disaster strikes, all order collapses, money becomes meaningless paper, and discussions about order lose their significance. The only assurance that remains is power. And I, possessing power, can do as I please.In this post-apocalyptic world, besides growing stronger, Li Ming must also deal with the persistent neighbor who continually sends the wife to borrow food.“Ma'am, you can't always request food without offering anything in return, can you?”

…but it seems pretty doable.