Nezuko Kamado’s brand of cuteness has permeated the pop-culture zeitgeist since her debut in the Demon Slayer: Kimestu no Yaiba TV anime in 2019.
Demon Slayer: Kimestu no Yaiba made waves last year when it aired from April 6, 2019, to September 28, 2019, which was followed by a stream on Crunchyroll shortly after broadcast.
Because of this, people cosplaying her have become a mainstay at conventions in Japan and the rest of the world.