This awesome notepad is designed after Demon Slayers (Kimetsu No Yaiba) characters Iguro Obanai The Snake Hashira, and Sanemi Shinazugawa The Wind Hashira.
Originally a prize from a Japanese Lottery (Ichiban Kuji) offered to some Japanese retailers.
Ichiban Kuji means Number 1 Lottery. It is a limited-run lottery system created by Banpresto.
