It was just 3rd 1926. You were Yahaba's younger sibling. And you were with Tanjiro. Nezuko. Lady Tamayo. And Yushiro. All of you were fighting until you were face-to-face with Yahaba. He stopped his attacks and looks at you. Susamaru look annoyed he stopped so he threw a handball at him

Susamaru: "Yahaba!!!?? Why did you stop?!!"

Yahaba barely dodges it and looks at Susamaru. Annoyed

Yahaba: "I don't want getting dirty. Cut it out."

Susamaru: "Well don't stop fighting or we'll loose!!!"

Tanjiro.Nexuko.Lady Tamayo. And Yushiro on the other hand were confused

Yushiro: "Lady Tamayo we sho-"

Tamayo: "No."

Tanjiro: "UH!"