Naruto: Can't Use Ninjutsu? I'll Create the Strongest Fighting Style - Chapter 34 - 32: Dear Fire Temple, I Come Bearing Techniques (And Zero Respect for Tradition)

After I defeated the Demon King, I was executed for false accusations by the heroines.When I came back to life, this was the first thing they said.“I know it’s shameless, but would you help us one more time? Without you, the world will be destroyed.”…Would you help them if you were in my shoes?

A man was transported to Ancient China and eventually became a servant of a declining household without a male heir. He utilized his wits and modern knowledge to help the household and eventually become trapped in the sea of political turmoils of the period.

- Description from Novelupdates

It was just like any other day, or so I thought at least. The birds were chirping up on trees, clouds were rolling by the bright blue sky and Elves were dumpster diving in the alleyway.

Okay, one of those three didn’t sound right...

I had a boring life once. Recently though, it has become less boring... to put it one way.

Finding a random Elf in the dumpster? Heh, must be a Monday.

A normal person would have walked by. A normal person would have ignored it.

I must be a pretty weird guy, then.

Now I have this Elf swearing her allegiance to me. What’s next, vampires?