Datara

Datara is the God of Storms who fell in love with Tsugumi, a human girl whom had a daughter with. Unfortunately during their wedding ceremony, Gorai threatened Datara by using her daughter's life and forced him to wear the demon mask to became the God of Demon. Tsugumi used her bow and arrow to kill her daughter and also sealed him for 500 years.

Years after years, Janis and the others managed to arrive at Datara Shrine. In order to unseal the door of entering Datara's whereabouts, Monk Sen appeared himself and advised them to find Datara's servants, Mitsurugi and Sugagaki respectively to open the door. As soon as they success to open the door, Janis pulled out the Arrow of Sealing from Datara's chest [...].

Personality
At the earlier series before Sengoku jidai, Datara strongly carried Aramitama, in other words he was the fierce god who get anger easily and often using his Kamuitama to summon storms at certain village. But when the villages send Tsugumi as an oblation for Datara, his started to behave calm and kind to others. Everyone knew that Datara was not a fierce god like before, a lord called Gorai from the Northern Lands took this opportunity to use Datara's powers to invade other places [...].

Quotes

 * "We shall return to the heaven... To you, I give my everlasting gratitude..."