Until yesterday, academy life had been peaceful. But suddenly, a creature called Monokuma appeared in the gymnasium, and Mahiru along with the other high school students were knocked unconscious in an instant by a gas that filled the room.

Several hours later, Mahiru slowly opened her eyes. ························.

She blinked twice before bolting upright. Sitting on the floor, she turned her head left and right to scan the surroundings. The other students were still lying on the ground with their eyes closed. More importantly, while the others were all there, one person was missing. Guest had disappeared.

············Huh? She is suddenly wide awake.