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Identidade: It's a fanmade MSA anime and manhwa.
Antecedentes: In the Meiji era, in 1872, long before Tanjiro and Nezuko were born, an 18-year-old young woman from the noble Chikanari family named Hasami who wears a pastel blue hakama kimono with wisteria patterns accentuated with wisteria leaves behind them with a lavender and a dark violet long hakama pleated skirt, white tabi socks and violet zōri sandals raised nine unnamed random male and female children who were orphans especially a 4-year-old girl named Fuyumi. One day, she went to the mountains and discovered a blue spider lily on the way there and the moment she picked it, she didn't became a demon and did not turn immortal and went home. This caught attention to Muzan Kibutsuji's followers and they went to report it to him. What happens next?