Mt. Kinka is a small island located in the Oshika Peninsula, Miyagi Prefecture in the main island of Japan. Mt Kinka has been crowded with worshipers since long ago because this mountain has been one of the three great sacred places in this region including Mt. Osore and Three Mountains of Dewa. And the road leading to Mt. Kinka from Yamagata Prefecture located in the Japan Sea side played a role as trade and distribution route that exchanges marine products and agricultural products.

Ajishima is a small Island located in southwest of the Oshika Peninsula in Miyagi Prefecture. It once prospered in fishery, but in late years aging and the population decline advance. The tendency is further strengthened after an earthquake disaster, and population declined to 500 people (200 households). The islanders are concerned that if the trend continues, the island will become a desert island in the near future.

Watanoha town is located in Ishinomaki city in Miyagi Prefecture. This place was used to be one of the largest marine product processing industries in Japan. But the Great East Japan Earthquake in 2011 catastrophically damaged this place.