Demon Slayer: Kimetsu no Yaiba (2019)

S3E5 Things Are Gonna Get Real Flashy!!

Upon hearing about Zenitsu's vanishing and Uzui's orders to vacate the Entertainment District, Tanjiro and Inosuke resolve to find him. Later that night, Tanjiro detects the scent of a demon, guiding him to Koinatsu Oiran, who is being engulfed by Daki's belt. With Uzui absent, Tanjiro is left to confront the formidable Upper Six demon on his own.