Masao Onishi

Masao Onishi (大西正雄) is the head kannushi of the Kane Shrine. He is responsible for summoning Era Saga to Watahama and giving him the Toriiver and the first Omamari, serving as the head of support for Kamen Rider Nio and his fellow Riders in their fight against the Enmi. Despite his old age, he is often referred to as old man (おじいちゃん) when being teased.