Webnow, fans are wondering if this teaser foreshadows giyu's role in season two this fall.
Webit turns out giyu's aversion to joining the hashira training does not stem from any sense of superiority, but rather the opposite:
Webwith demon slayer season 4 episode 2 revealing that ubuyashiki actually reached out to tanjiro for help to try and convince giyu to take part in the training, giyu.