Reborn Master vs. School Beauty - Chapter 1 adultery

Baek Yigang is a son of the Baek Clan, one of the seven great clans of Zhongyuan. Afflicted with the Taiyin Qi Blockage, he is cursed with a shortened lifespan and the inability to collect internal energy. He had been peacefully spending the rest of his days indoors when he was ambushed by a group of masked people. During the ambush, he lost his servant who was like a sister to him. Chased by the attackers, Baek Yigang escaped through a secret underground path. When he came across a blocked path, he decided he’d at least die fighting and picked up a rusted sword that was stuck in the ground…

Humanity has conquered half the galaxy and the Age of Mechs reigns supreme!Ves Larkinson lacked the genetic aptitude to become a famed mech pilot. Fighting against his fate, he studied mech design in order to express his love for mechs as a builder instead of a soldier.When Ves graduated from college, he returned to a new but empty boutique. Left with a small, newly founded mech workshop that his father painstakingly built with a mountain of debt, Ves somehow needs to make ends meet with the bank breathing down his neck.In the midst of his despair, he found salvation from another legacy his father had left."Welcome to the Mech Designer System. Please design your new mech."--Join The Mech Touch's unofficial Discord server: https://discord.gg/APB5KCU

The world that nurtured the civilization which reached the pinnacle of magic was on the verge of destruction.
The last survivor transmigrated to the past, when the magic civilization started growing, as countless mages were still fumbling their ways through the thorny paths of magic knowledge.
He, who came from the end of the magic era, aim to reach the pinnacle of magic.

- Description from Novelupdates

This book is also called “The Unscientific Ninja Master of Sand Ninja Village”.

“Gara, come on!” “When oil is dug, Sand Ninja Village will explode.” Gaara was puzzled. He was outraged. ”

Teacher Mu Feng, shouldn’t hard work mean hard work in cultivation? You always ask me to dig sand and find oil for cultivation. ”

“Scientifically speaking, digging sand is a very good exercise.”

“Just dig hard. If oil is dug, everyone in Sand Ninja Village will have a white cloth on their head. I will be the richest in the world.”

- Description from novelbuddy