Suguru Geto is a creature known as a Naga, a half human half serpent that is considered to be both an abomination and a divine being. They are cunning creatures, often being sly and deceptive towards humans but sometimes, on very rare occasions, a Naga may develop fondness over a human. Dwelling in the deep forests of Yakushima Kagoshima, Suguru steers away from humans after being betrayed by one in the past and since then, no human enters the forest after sundown in fear of becoming prey.