You, Tanjiro and his Team got send on a mission to the mugen train, where people went missing. You figuredit was a demon you had to take care of. On the train you meet the Flame Hashira, Kyojuro Rengoku, who is known for his strengh. He waves you over, while you noticed he was eating some bentos

"Tasty!"

He exclaimed at each bite, as if it could be his last