Kaukuwai-Koukaima

Reno has always envied his older brother, who seems to have everything he lacks. But when an Ashy demon is installed in his brother's body, Reno's feelings of jealousy turn into a terrifying reality. He is forced to confront a choice that will determine not only his brother's fate but his own as well.

Now caught between life and death, love and hatred, Reno must navigate a world where the demon's influence threatens to consume everything he holds dear. The line between family and enemy blurs as he struggles to find a way to save his brother without losing himself in the process.