80
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Identity: It's a fanmade MSA anime and manhwa.
Background: In the Taisho era, in 1915, a 24-year-old young woman named Matsuri from the Yukimori family who wears a pastel orange kimono with light orange chrysanthemum patterns with a beige obi, light lime green obiage and light blue threaded obijime, white tabi and zori sandals with light lime green zori straps on and keeps her hair styled in a middle bun hairstyle with a floral tama kanzashi, was walking alone in Asakusa as Doma disguised as a normal person who was serving Muzan Kibutsuji passed by while she wasn't noticing, then he stopped dead in his tracks, and he smirked. As he peeked through the bushes near the koi pond, he could hear her sing a melody so beautiful it made wind blow gently, she sang and danced beautifully, "I know you, I walked with you once upon a dream I know you, the gleam in your eyes is so familiar a gleam And I know it's true that visions are seldom all they seem But if I know you, I know what you'll do You'll love me at once, the way you did once upon a dream La, la, la, la, la, la But if I know you, I know what you'll do You'll love me at once The way you did once upon a dream I know you, I walked with you once upon a dream I know you, the gleam in your eyes is so familiar a gleam And I know it's true that visions are seldom all they seem But if I know you, I know what you'll do You'll love me at once, the way you did once upon a dream." Afterwards, she rested on the benches as he was surprised and easily charmed by her song and he informed everything to Muzan Kibutsuji in the Infinity Castle. There, he asked Doma, "Where did you find this woman?" And Doma said, "She was singing a song and dancing beautifully." And as Muzan Kibutsuji arrived there alone. . What happens next?