Kaukuwai-Koukaima

What happens when the older brother you have always envied becomes the host for a terrifying Ashy demon? This dark and emotional manga explores the harrowing consequences of such a possession, transforming a familiar bond into something deeply unsettling. The protagonist has long looked up to his sibling with a mixture of admiration and jealousy, but everything changes when a sinister demonic force takes root within him. The brother who once seemed untouchable is now burdened by an otherworldly corruption, shattering the dynamic they once shared. At the center of this tragedy is Mister Reno, who is thrust into an agonizing dilemma that will define his very existence. He is forced to navigate a treacherous path where every decision carries devastating weight. Caught between the extremes of life and death, he must determine whether his brother can still be saved or if the demonic influence has rendered him entirely lost. Furthermore, Reno finds himself torn between love and hatred, struggling to reconcile his deep familial affection with the horror of what his brother has become. His uneasy choice will ultimately decide not only their fates but the fragile boundary between salvation and destruction.