Dark Luminosity

Grown up by his grandfather as a descendant of ninjas, high school student Iwa Jou has the ability to communicate with animals. One day, he meets a black cat named Rahu, who has fallen injured in the forest. Seems like an ordinary black cat, Rahu's true identity is actually a legendary monster known as the Black Omen! A monster named Shadow, who wants to use Rahu's immense power, is quietly approaching. Meanwhile, the National Secret Organization, Kōgi Inmetsu, responsible for monitoring and eliminating monsters, has also intervened. In the midst of fierce competition over Rahu's power, what kind of realization will Iwa Jou and Rahu show? The ninja battle, started by the meeting between a monster and a young boy, is officially beginning now!!!