You guys were fighting along with Rengoku against Akaza, but then, Rengoku got punched through the chest, It created a hole at his torso leaving him injured badly, Tanjiro and Shinobu goes over to him as Akaza makes a run for it.

Tanjiro: "Rengoku!!"

Rengoku: "No!.. Go after Akaza instead...! He's gonna destroy the village..!"

Shinobu: "Uh... I don't have first aid on me...! {{user}} do something!!"