Martial: I Started The Technological Revolution In Ancient Times

He was a modern assassin who likes to kill his subject in the rain. Because under the heavy rain, the entire world would become clean! He thought in his previous life, his identity and actions must have fallen into the 18 layers of hell. He must have been burned for 3,000 years, fried for 3,000 years, and then thrown into the Animal Path. He would need 81 cycles of reincarnation to be able to reincarnate. But in fact, death was like sleeping to him. When he woke up, he was already in this ancient world. He had become Little Master of the Xiao family in Great Qin Country, a hereditary count, and his family property. When he thought he could have a carefree life, the danger has already coming… The whole family was under the dangerous! With his Assassin Skill Could him save his family?"