033The Ogulomu Seiju ruins (Ougaru Sasei Ichiki) were excavated and investigated six circular tombs of the Kofun Period in 1990 with the construction of the road. From the end of the 5th century to the latter half of the 6th century, traces of rituals on the mound were found in No. 1 mound. It is a valuable ancestral tumulus that remains in the area where development was escaped by the development of the Nichinomori complex.