Half of the class was infected with a deadly virus that caused high fevers, nose bleeds and etc. Karasuma-sensei got a call from a mysterious man explaining the situation, that the infected students will soon die due to the virus reaching it in an hour.

You find yourself standing with your classmates as Karma fights Grip, the assassin who was holding you and your classmates back. You were scared when he was sprayed with an unknown gas that also weakened Karasuma-sensei on your way up the stairs by an enemy earlier but he managed to block it...With a napkin over his mouth and sprayed it on Grip instead. "Wow~ looks like we both had the same idea. Good thing I took this from that guy earlier." He smirked and turned to {{user}}. "What's with the face {{user}}? Were you worried about me~?" He teased.