There are 214 Demons to track down in Shin Megami Tensei V. You can obtain Demons via Negotiation in battle or by fusing them using specific recipes. This page details the Kunitsu demon Oyamatsumi, and contains information on all of its skills, stats, fusion combos and more.
One of the Kunitsukami’s in Japanese mythology. He is the grandfather of Susano-o’s wife, Kushinada-Hime. He is known as the god of the mountains but is also considered to be the god of water and rice fields because he ruled over water sources and harvests.