See entry 40400080.  Demon Slayer: Kimetsu no Yaiba (鬼滅の刃) . “Blade of Demon Destruction”, is a manga series by Koyoharu Gotouge. It was serialized in Shueisha’s shōnen manga magazine Weekly Shōnen Jump from  2016 to 2020, with chapters collected in 23 tankōbon volumes. It has been published in English by Viz Media and simultaneously on the Manga Plus platform by Shueisha. It follows teenage Tanjiro Kamado, who strives to become a Demon Slayer after his family was slaughtered and his younger sister, Nezuko, is turned into a demon. And this set is unopened and therefore unused.  Grade: 1