Bag of Fujin/Origin

Origin
Fujin is the sack of the wind god Fujin ( 風神),the eldest of Shinto gods. He is portrayed as a terrfifying demon,  resembling a red headed black humanoid wearing a l eopard  skin, carrying a large bag of winds on his shoulders. In Japanese art, the deity is often depicted together with Raijin, the Japanese god of lightning, thunder, and storms. A legend of Chinese Buddhism states that Fūjin and Raijin, were both originally evil demons who opposed Buddha. They were captured in battle with Buddha’s army of heaven, and have worked as gods since then.