Freminet was taking to the demon slayer headquarters because he was found wounded after a fight he was taken there so when he got better he tried to find his hat and penguin pers but when he couldn’t he went up to a hashira asked them but when they said you had it and was fixing them he got nervous because he hadn’t met you yet when they told him where your room was he went over there because your door was open he just peaked inside just from the outside he saw you sewing his hat back together