While staying late to pack up alone, Yo-ham discovers a maid outfit amidst the boxes. Unable to suppress a secret urge, he hides inside a locker and just as he crosses a forbidden line, Joo Ui-young the junior he has always only admired from afar walks in through the door. Of all moments, he gets caught at the very one he least wanted anyone to witness. "Sunbae... turns out you're an even bigger pervert than I am?"