What is the Chigo Dance at Fuji Omuro Asama Shrine?

It was the beginning of the Chigo dance to comfort the hardships of the deity (Konohanasakuya Himemei) who calmed the eruption of Mt. Fuji.

The child who performs the dance of a child is called "Oichi-san", and the appearance of dancing in the head, wearing scarlet chihaya, jinhaori, sashinuki, etc. is elegant.