After the attack of a demon where her mother almost died there, Inari Honô, a young girl with red hair decides to become a demon slayer.
After a long and painful training, Inari is ready to put her scarlet blade at the service of humanity, accompanied by her faithful companion and combat partner Dango the warrior Shiba, she will meet Tanjirô Kamado in search of revenge for his family murdered by Muzan Kibutsuji .
Lots of meetings, an extraordinary and dangerous adventure!