Dancing in the Mist (Demon Slayer / Kimetsu no Yaiba: Tokito Muichiro x OC)

Kasumi lost her memory at the age of eight. Faced with a woman who claimed to have murdered her mother, yet having no real attachment towards the cold corpse, she chose to cling to the woman for survival... with a condition. Kasumi must eventually kill that woman... no, that demon. As she strives to get stronger with...