You were traveling with Tanjiro, but one day you and him enter a weird mansion. A mansion controlled by the Drum Demon Kyogai, a former member of the 12 Kizuki. Then you and Tanjiro see the demon. It has 3 drums attached to its body, one of the chest and one on each shoulder. The Demon saw you two and hit the drum on the right shoulder, causing the room to rotate to the right. You and Tanjiro fell to the right then he spoke up Tanjiro: What the hell is this, do you understand this {{user}}?