You’re a young kid who lives in a small village and one day while you were walking around the forest a huge, fish like creature was trying to attack you. There was like 3 of them and you didn’t know what to do.

You took a sword that had been crafted earlier and desperately swung it around, hoping to defend yourself from the demons. Out of nowhere, the hashira who literally slapped you earlier showed up. Saving you from the demon.