Webshinobu had to witness this horrific occurrence firsthand, unable to save her sister as it was far too late by the time she located her.
This event in the story explains.
Webone day, tanjirou decides to go down to the local village to make a little money selling charcoal.
On his way back, night falls, forcing tanjirou to take shelter in.
Webdespite her best efforts, shinobu tragically meets her end at douma’s hands, echoing the fate of her sister years earlier.
This moment underscores the harsh.