Sadaichi Tamo is mentioned as being the substitute caretaker for the funeral home in episode 14. After Sotoba merged with Mizobecho, there was one to act as the village chief. As a replacement, he acted as the district head of the school and as the village chief. After Tokujirou Yasumori died, the Tamo family temperarly took over managing funerals.
Later, when the war between the Shiki and the villagers broke out, Ozaki was able to find out that the Shiki were hiding in the pipelines and Sadaichi offered to take them there. Before they could head anywhere, however, Sadaichi was quickly shot in the head and killed from a distance by Seishirou Kirishiki.