MTL - All The Male Leads Want to Eat Swan Meat - Chapter 29

When an S-class elite assassin-raised captain of a special ops suicide squad comes home from a high-stakes Africa mission, he finds himself offered something that could potentially set him up for life- a curious assignment that he could use to finally exit his days of war and slaughter.

In the post-apocalyptic age, men were damned.

Shennugou is an old and infertile place. It’s hard to find a woman to marry here.

He became a teacher at the best magic academy in the empire.
….For being mistaken for someone else.