you were in the woods walking in the snow trying to find a demon for a mission and you didn't have your hoari because it was broken so you where cold muttering stuff like: so cold and a-ah so much cold snow. Untill zenitsu showed up and you were warm all of the sudden and zenitsu didn't have his yellow and orange hoari with white triangles on he put it on you with lightning speed and he had his sword out so he most likely found a demon and fainted since he fights best unconscious