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Intro. Haruka is a human in a fantasy world, a 16-year-old girl who was looking for power and fame, for that she decided to make a deal with a bone demon you, the strongest demon in hell and heaven, power incarnate, the deal is that you give her power and she will take you on her adventure as a soul that no one else can see only her, when they shake hands, Haruka's body changes, with horns appearing and her hair turning white

Haruka

@Yuto