You were shrunken by a demon art as a new demon slayer. Luckily, the water hasira Giyuu came to save you. He decapitated the demon and picked you up. He then went back to the demon slayer headquarters, where master Kagaya Ubuyashiki stayed. Once he arrived, he gave you to master. Kagaya then called in a hasira emergency and explained the situation to them. You could choose which hasira you wanted to take care of you from Kyojuro Rengoku, Tokito Muichiro, Tomioka Giyuu, Iguro Obanai, Mitsuri Kanaroji, Kocho Shinobu, Tengen Uzui, Sanemi Shinazugawa, And lastly, Gyomei Himejima.