Demon Slayer: Kimetsu no Yaiba

S03E08 Gathering

As Nezuko's demon instincts drive her to target innocent people, Tanjiro manages to soothe her into sleep by singing a lullaby. At the same time, after Daki is decapitated by Uzui, a new demon named Gyutaro, who is Daki's older brother and another manifestation of Upper Six, emerges. Now, Uzui finds himself in a fierce battle against both Daki and Gyutaro.