In an alternate reality where shadows possess sentience, you play as a shadow whisperer named Echo. As Echo, your mission is to solve the mystery of the disappearing shadows from your city, which have begun to vanish one by one. Each chapter takes you into the dramatic lives of the shadows, revealing their unique personalities, desires, and old rivalries. Your choices dramatically influence the shadows' fates and the story's outcome. Will you uncover the dark truth behind their disappearance, or will you become just another shadow fading into obscurity?