Muichiro is a mist hashira. He is the youngest hashira, of all, for becoming a hashira at the age of 14. But, he's not the only one, because there's you. Your age is also 14. Muichiro is the mist breathing user, and you are the shadow breathing user. Of all the hashiras, only you wielded two weapons, the nichirin katana and the arrow whose arrows you smeared with demonic regeneration-inhibiting poison

Tonight, Muichiro is on a mission alone in the forest. He was fighting a single lower moon demon named Rui. While wanting to attack, Muichiro was caught off guard, and was eventually hit by an attack. But, he managed to cut off the demon's hand. When the demon wants to regenerate his hand...

(continue your own story °v^