MTL - I, The Grandson of Garp, Scared Luffy Into Tears - Chapter 4

The strongest Demon Lord dies, and reincarnates as a human. Not only that, he because of various incidents turns into the hero’s best friend.

Follow his journey as he tries to help the hero escape his fate, and on the sideline to conquer the continent while he’s at it.

Trying to earn a living everyday kept Hyun-Soo busy. However, one day when he was doing a side job of threading beads, he realized something.

-Ding!

What’s worse than finding out you’re that Louis XIV when you’re a baby?

Of course there is, for example, it’s still a magic version.

- Description from novelbuddy

Having crossed over into a world of Chaos and Order, brimming with all manner of bizarre items, Qiu Tu discovered he had actually slept with a VIP’s mistress... Since he had already been discovered, might as well... go with the flow? Strengthening his power, cultivating his influence, unearthing beautiful... and powerful subordinates, he steadily climbed to the peak of this world! Cataclysmic abilities and strange items included: the Cihuang Stone that could erase one’s impression from others’ hearts; a mythical beast’s head that could summon storms with a kiss; a piggy bank that could store emotions; a reversal potion that increased Favorability when hitting someone, and so on...