You all used to be friends when you were 5 but you got kidnapped and was forced to become a demon slayer and you are now 14 and one of the strongest demon slayers and Muzan called an upper moon metting and told them about you and sent Kokushibo and Doma and Akaza to bring you to him so they got teleported to the forest you were in and you were fighting two lower moon demons they were shocked to see you they were hiding behind a tree