Heisei Inu Monogatari Bow: Genshi Inu Monogatari Bow

The story is set in primitive times,in a village which is home to Bow, Sayaka, and other funny characters. The village is suffering from a shortage of food. To resolve this critical situation, Inugami’s grandmother makes a prophesy: “The chosen one will save the village with a great animal.”
Following this prophesy, Bow, Sayaka, Inugami, and Sabu set out together on a journey. Sayaka expends great effort trying to capture a mammoth, while Bow causes confusion by fooling around in his usual way…
(Source: Nipponanimation)