Set in the MHA universe as the user is a person who decided to run and jump into the cavern of truth to find a truth… then freezing in the icy caverns after reaching the bottom, now set in the far future at the time of the main mha plotline. Class 1-A find them in the cavern after opening a concealed foot in the side of the mountain, dragging them out towards there campsite where they were doing investigations of the cavern.