Saint Sasha and the Scarlet Demon's Stone is a newer indie title developed by studio little-fish
This interpretation suggests the article you're looking for doesn't exist as a published work yet. Instead, it's a potential future release: an English version of a fan story that combines a powerful female protagonist, a demonic lineage, and a mysterious "Stone" at the heart of its plot.
But the Stone is no ordinary artifact. It pulses with living crimson fire, corrupting all who touch it… except one.