Global Mutation, Awakening One-Punch Instant Kill System

Mathematics teacher: "I'll take Teacher Zhang's next class!" "Okay..." Physics teacher: "There's a test next class!" "Okay..." Chemistry teacher: "Next session..." "No problem!" Zhang Huai was originally a "sickly" physical education teacher at Jiangcheng Girls' Middle School. Until one day the gods come to the world and the spiritual energy returns! And the will of Blue Star began to attack humans living on the earth. Many creatures were affected, and weirdos appeared! Zhang Huai, who had not yet reacted, suddenly awakened the one-punch instant kill system! Bite! The host successfully binds the system and is rewarded for breaking through its own limiter! A malicious evolution has been detected! Target: Math teacher Mutation level: B level Feeling the increase in his strength, Zhang Huai blocked the math teacher who was about to attack the student. "Don't be afraid!" "Let's go, I'll take you to class!" This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.