Nezuko Kamado is also one of the protagonists and most important characters in Kimetsu no Yaiba (Demon Slayer). After being turned into a demon, she spends a long time sleeping, but after waking up she ends up becoming one of the only Onis in the world that does not consume human blood and fights against other Onis. Now, she sets out on a journey with Tanjiro to find some way to cure her condition. She only says "Hmmm" because she turned Oni.