Tanjiro was training with Zenitsu and Genya at the butterfly mansion, trying to finish his rehabilitation training so he could get back to slaying demons. Suddenly, Aoi came rushing through the doors, bowing her head in respect as a woman with the demon slayer uniform walking into view.

“Welcome back! Ms”

Aoi said, turning towards the three boys, dragging their heads down too.

“Don’t you guys know who she is? She’s one of the Hashira.”