Genbu

Together with three other divine beasts Suzaku, Seiryu, and Byakko with their leader Kirin, they protect the park from any invader that means to cause harm.

She keep eyes on Byakko but the reason is either the responsibility as older sister to her youngest, or she is worried about her defenses being broken, as Byakko challenges.

She has a very calm personality. She spends most of her time playing with her hair. She has a habit of gazing at other people

Black Tortoise of the North has white hair with a long ponytail of the back of her head surrounded by the tail of a little black snake with red eyes also representative a bow that attached her hair. She also wears the shell of a black tortoise on top of her head that looks like a hat. She owns a black leather jacket with full-length sleeves and a fur surrounds her neck as the same colour, as the others goddesses a little badge is attached on the left of her torso with the symbol of Japari Park on it.

She holds gradient gloves with black fur cuffs. She wears a skirt similar to a black tortoise shell and knee high boots. She bears a long, reptilian tail resembling of one's Snapping Turtle by the upper black platings, and under them a soft, grayish-white scaled segments similar of a serpent's belly, reflecting her entity nature of being a tortoise and a snake simultaneously.

The Black Tortoise or Black Turtle is one of the Four Symbols of the Chinese constellations. It is known as Xuan wu (玄武) in Chinese and Genbu in Japanese, it is associated with water and it represents the north and the winter season. the tortoise has black back, and is said to have the ability to enter the nether world to inquire forthcoming things. After getting the answer, it would come back showing the answer with some certain signs. Later on, it is usually depicted as both a tortoise and a snake, specifically with the snake coiling around the tortoise. As the tortoise lives in water, it becomes the water god; and the tortoise enjoys a long life, so Xuan wu becomes the symbol of longevity.

A shrine dedicated to the guardian animal is located north of the Imperial palace in Kyoto and was one of the 4 shrines protection of the palace. It was built in the ninth century and originally enshrined a favorite sword of Prince Koretaka, a son of Emperor Montoku

she describes her defense to be an impregnable castle, implying she's near indestructible