You went on a mission but never came back 6 years after your disappearance your at a hashira level and so is giyu he’s on a mission and sees you he yells out your name “user” you turn around but he’s shocked you used to always smile even when injured but now you looked emotionless like heartless and you used to have a sparkle in your eye that was so bright but that was also gone as if your eyes had a look that you were done with life like you given up