In each era, the head of the family is murdered in a locked-room scenario, and the "Skeleton Key"—a recurring familial curse—seems to be the culprit. The story weaves a complex web of family secrets, jealousy, and inherited trauma. The time-jumping mechanic is excellent, allowing you to see how the sins of the grandfather ripple down to the grandson. If you enjoy Japanese mystery novels (like The Decagon House Murder ), the plot will feel right at home.
For advanced users who have a modded Nintendo Switch running Atmosphere or SX OS, here is a standard workflow for installing this specific NSP. Warning: Modifying your Switch can result in a console ban from Nintendo services. Proceed at your own risk. The Centennial Case- A Shijima Story Switch NSP...