Ep. 5: Tanjiro struggles with exhaustion while Inosuke discovers a cavern holding Daki's obi and trapped victims.

Tanjiro fights Daki alone but finds his body too fatigued to effectively use the Hinokami Kagura. Meanwhile, Inosuke finds a narrow passage beneath his residence that leads to a cavern used as a holding cell by Daki. The space contains obi that Daki used to absorb victims, which function as independent entities. Inosuke initially tries to destroy the obi but chooses to rescue the people trapped inside instead. Although overwhelmed, he frees Suma, Makio, and Zenitsu. These survivors join the battle, and they are eventually joined by Tengen. Together, they confront the threat posed by the obi and Daki in this intense confrontation.

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