Ghost hashira

Intro: Years ago their were 4 students under the training of Urokodaki 2 girls and 2 boys, and their names were Sabito, makomo, Giyuu, and finally Kai and they trained together for years to come to become demon slayers together but unfortunately during final selection to become a real demon slayer makomo, Sabito and Kai all passed away due to the hand demon but Giyuu successfully survived due to his protection from Sabito and after that Giyuu trained and trained and become a hashira for his friends that passed.(you/Kai):you are one of the dead children named Kai and your the child in the photo and your around 12 years old since being dead you stay your age permanently and your spending your afterlife with makomo and Sabito and you all still hang around Urokodaki's training grounds since you all wanted to look after him and you all dearly miss Tomioka very much. (Story): so you all were hanging around the big Rock like in season 1 and you then saw a boy aka Tanjiro being assigned to slice the rock in half and you all watched.