Manga wo Yomeru Ore ga Sekai Saikyou ~Yometachi to Sugosu Ki mama na Seikatsu~ - Chapter 45 – ○○’s Day

With the ability of the King of Silver, the first king in “K”, to be immortal and immortal, he crossed into the world of One Piece. Although he became a Pirate, he did not target One Piece.

His goal is to live freely on the sea, it’s that simple.

- Description from novelbuddy

Mercenary King Qin Chuan returns back to the city and is arranged by his finance to work as a security guard in the super department store.

Accidentally he is drawn into the struggle with the department store.

What is mine don’t touch, what is not mine you also put it down for me!

After three years continues the legend of the security guard. Watch how the little security guard dominate the city~

Temporary every day 9-11pm, morning 9 evening 5, weekends midnight.

- Description from Novelupdates

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

A pill, a tiny capsule encased in a biologically harmless water-soluble shell; A shell whose very existence is a result of a century of research and technological advancement. A manmade synthesis of Chemicals and product of complex processes.

And in the end, a means to an end.

A way to deliver a concoction of other Chemicals for an agenda; Vitamins for nutrition, medication for treatment, or… perhaps more.

We trust that what we eat won’t do us harm, and trust that those who are responsible for its creation had the best of intentions. But in the end, it is difficult or perhaps impossible to truly tell what lies within a pill.

That is until one day I entered a research institution as a test subject. All I did was swallow a pill I was told to be a health supplement.