SHINKAGE is a dark psychological mystery built around secrets, manipulation, violence, and the people hiding behind them. Hitoshi Roi is an ordinary schoolboy living a seemingly normal life. But beneath the surface of the world around him are hidden organizations, dangerous individuals, unexplained events, and secrets that were never meant to be discovered. As strange incidents begin to connect, the line between truth and deception becomes harder to recognize. Some people know far more than they reveal, while others are being watched without even knowing it. Every answer creates another question. Every shadow may be hiding someone. And sometimes, the person you think you understand is the one you understand the least. SHINKAGE is a story about mystery, psychology, survival, hidden motives, and the consequences of discovering things that should have remained hidden. The story has only just begun.