Yamiiro no Aijin

Rei runs away from his uncle's home, seeking freedom from a life he never wanted. During the night, he meets a mysterious man who promises him they will meet again the next time there is a full moon. However, the kid is taken by the police and sent to an orphanage asylum, leaving the encounter as a fleeting memory.

Ten years later, Rei has grown into a young adult, but the past still haunts him. When he meets the mysterious man again under a full moon, the promise is reignited. As their paths cross, Rei is drawn into a world of dark secrets and forbidden desires, where the line between human and vampire blurs. The man's true intentions remain unclear, and Rei must decide whether to trust the stranger who once offered him hope or to flee from the danger that lurks in the shadows.