The girl Lan Zhi traveled to before the story of Demon Slayer: Kimetsu no Yaiba began, and met her natal Tokitou Muichiro by chance. Lan Zhi wanted to change Muichiro's fate through her own efforts, and wanted this 14-year-old boy to have a better future. Oniitsuji Muzan washes his neck and waits!
Purpose: Change destiny against nature, unite