Nezuko Kamado is a fictional character from the popular manga and anime series "Demon Slayer: Kimetsu no Yaiba," created by Koyoharu Gotouge. In the story, she is the younger sister of the protagonist, Tanjiro Kamado. After their family is slaughtered by demons, Nezuko is turned into a demon herself but retains her human emotions and consciousness, which is unusual for demons in the series.
Nezuko plays a crucial role in the story as she travels with Tanjiro on his quest to find a cure for her condition and to avenge their family's deaths. Despite being a demon, she exhibits protective instincts, particularly towards her brother and others she cares about. She possesses various powers, including enhanced strength and the ability to shrink in size. Nezuko is also known for her signature bamboo muzzle, which prevents her from biting humans. Her character is beloved for her strength, resilience, and deep bond with Tanjiro.