Duskbound - Chapter 21Book 2,

"Locke transmigrated into an era where everyone had Battle Beasts. Daemons were rampant and humans were forced to build walls around their dwellings while depending on Beastmasters to keep those monsters at bay.

Masterpieces such as 'The Divine Comedy', 'The Theory of Evolution', 'Encyclopaedia Britannica', 'The Theory of Relativity'...Born in the history of human civilization, possess mysterious and magical powers in another world!Original sin, biological evolution, mastery of all arts...By reading the secret tomes, one can gain a variety of powers!The only trouble for the people of the other world is that they find it difficult to understand the texts from Earth.At this time, there comes a librarian from Earth...

Guns suppress all divine demons and evil spirits, flesh and blood forge the multi-dimensional Great Wall!In the second year of Ming Country, Tianmen City was in need of recovery after the war. Chaos thrived, and evil spirits roamed freely.The children of the poor take charge early, and garrison soldiers need to learn to earn their own money.My name is Wang Yunxiao, an external field agent for the Special Service Bureau, specialized in dealing with various demon and evil spirit emergencies locally.Let me introduce my wife Li Mumu—she is gentle, virtuous, cute, and empathetic, and she is an evil spirit.Who writes a diary in all seriousness! Can what’s written even be considered true inner thoughts? Despicable!(The female protagonist’s solo storyline begins later, starting from chapter 87)

An unnamed 34-year-old Japanese NEET is evicted from his home following his parents' death.

Upon some self-introspection, he concludes that his life was ultimately pointless.

Walking down a street he intercepts a speeding truck heading towards a group of teenagers, in an attempt to do something meaningful for once in his life he manages to pull one of them out of harm's way before getting himself in the way of the truck and dying.

Awakening in a baby's body, he realizes he has been reincarnated in a world of sword and sorcery.

He resolves to become successful in his new life, discarding his past identity for his new life as Rudeus Greyrat.