Found a couple of these dung beetles on the road next to a rice paddy. The Japanese name is senchikogane. The first part of the name senchi is the old name for Japanese toilets (holes in the ground) and the second part kogane is the name for this group of beetles (scarabs).

Geotrupes auratusGeotrupes auratusGeotrupes auratusGeotrupes auratus

Coleoptera: Scarabaeidae
Geotrupes auratus (oosenchi kogane)