Rokurou no Daibouken

Sinopsis

One day, twelve amulets that protect the world are shattered. By whom? While the curse of shattered pieces is spreading to people around the world, for some reason there is only one person who is not under the curse. That is Rokuro. Rokuro sets on a journey with his big brother Goro and younger sister Nanako to save their family and eventually the world. With a magic brush that he got from a hermit, Rokuro's great adventure starts! (Source: Official Site)