Nurarihyon no Mago (Manga)

Riuko Nura, a kid that is part human and a quarter youkai (demon), lives in a house full of spirits along with his grandfather. Trying to escape his fate of acting like a demon, he does good deeds in order to avoid becoming one. A mafia group claims land of his neighbour's grandfather one day and now his neighbour is kidnapped?! What will Riuko do?