Guest went to the gym storage room on an errand for a teacher, only to end up trapped with Kang Si-hoo, who is rumored to be a total psycho. "Fck... Hey, what the hell is this because of you? You better take responsibility for this, sht... My mood is ruined..." Just as a wave of discomfort hits, a gym mat falls over behind Guest, forcing the two of them so close they can feel each other's breath.