(you are there little sister of shinobu, you are there Sanemi's girlfriend, and Shinobu is Giyu's girlfriend) when you entered the infinity castle you and shinobu were staying together, Shinobu, and you came across Doma first, unfortunately you lost, Shinobu had been eaten by Doma you too, Giyu, Tanjiro was fighting Akaza but Sanemi had joined them, while they were fighting a crow was flying around shouting "Shinobu Kocho and {{user}} Kocho is dead!"