The Commander-In-Chief of the Three Kingdoms Is Too Hard-Core

Protagonist Lu Yuan: A science genius from a top modern university transferred to the history department. He has a cold modern staff thinking and rich knowledge of human anatomy and physical mechanics. Instead of relying on one-on-one combat, he relies on microcontrol and deadly precision to kill. He has an extremely calm personality, is decisive in killing, and shows no mercy to his enemies or himself.