Nura: Rise of the Yokai Clan

Nurararihyon no Mago (ぬらりひょんの孫; 滑头鬼之孙; Grandchild of Nurari Hyon; Grandson of Nurarihyon; Bách quỷ dạ hành (Vietnam)) is a Japanese manga written and illustrated by Shiibashi Hiroshi. The series was first published in Shueisa as a oneshot in 2007 and later became a series in 2008. It is an ongoing series and is being serialized in Weekly Shonen Jump. It has been collected in 6 volumes so far.

Plot
Rikuo Nura, a kid that is part human and a quarter [ http://en.wikipedia.org/wiki/Y%C5%8Dkai youkai (demon),] lives in a house full of spirits along with his youkai grandfather. Trying to escape his fate of acting like a demon, he does good deeds in order to avoid becoming one despite his grandfather's wish to succeed him as master of the Nurari youkai clan.