REXD-415 — An Ingeniously Prepared Experiment Leads To Mass Unconsciousness In The Lab. "Cough! Cough! Window! Ventilate!"

"Window! Ventilate!" The students gradually lose consciousness due to the chemicals filling the room. "Professor! It worked! Haha!" The men put on gas masks! They were still conscious. The normal masks had no effect, and the female students gradually lost consciousness.