Anime: I Want Harem - Chapter 11

The well-known and recognized throughout the Stern continent, strong and mighty, as well as the unique Wizard of magic cures, the most outstanding genius of the whole continent, Jason got into the flow of time, back in the uncivilized era during the first failed experiment, 3000 years ago. This was the period when the magic healers didn’t exist. How will Jason apply his knowledge in this backward era, wherever he reach the peak of glory?

- Description from Novelupdates

[Ding! You get 1 Stone Block!][Ding! You get 1 Dirt Block!]Bob the builder! Oop sorry cannot anger the copyright God on summary alone.Ben is a great uncle…. Yes he was living a poor photographer for daily news paper named…. Okay this gonna make the God angry, let’s try again.Ben is your average construction worker, one day he suddenly find himself surrounded by darkness. He was confused how he found himself in here, but a system screen appear in his eyes.

He was a Martial Arts prodigy, a master of using poisons!He descended the mountain to search for his junior sister but unexpectedly became the School Beauty's bodyguard… From then on, a demon-like student was born! He pursued the School Beauty, took down bullies, and was revered as the supreme ruler of the city! He cultivated Ancient Martial Arts, annihilated formidable enemies, and swept across all directions to ascend to the Peak.