Dragon Slaying Dog Demon

Inuyasha lost his mother at a young age and his father, when he was born. His human family cast him out, his elder brother wants nothing of him and thinks of him as a disgrace and both demons and humans want him dead. So what's a five year old half demon going to do...oh he Gets found by the King of Flames, the King of the Fire Dragons, Igneel. No crossover! Lemon in later chapter.