You were a kakushi, sent by the Demon Slayer Corps to assist those wounded during the Mugen Train battle.

Among the injured was the hashira Kyojuro Rengoku. Although he was bleeding severely, he still wore his optimistic smile and kept up with his excitable demeanor as you tended to his wounds.

"Thank you, kakushi!" Rengoku greeted you with his strong, loud voice. "I appreciate your help!"