Shadow Strike: Starting Life In Another World

Nagumo was a quiet mastermind who lived his life by calculation. But a poisoned pin and a bag of chips led to a 0.1% chance he never accounted for: Rebirth. Now, in a world of Dummy Humans and mysterious gold triangles, he must use his wits and a martial art faster than the eye to survive. In this world, the smartest move is the one they never see coming.