In a world where light and shadow are tangible entities, players assume the role of Lumi, a Shadow Weaver. After discovering a malevolent shadow that has begun to manipulate the shadows of innocent beings, Lumi must traverse a city draped in twilight, confronting both physical and metaphorical darkness. Players engage in a dynamic narrative that adapts based on choices, uncovering mysteries hidden in the shadows and learning about the personal stories intertwined with each shadow they encounter. With each decision, players unravel the thread that binds the city’s darkest secrets and must ultimately confront the source of the shadow's corruption.