蜉蝣之国的囚徒

（Content Note: This game is a work of fiction and includes adaptations of religious texts and folkloric stories from various cultures. Player discretion is advised.） This is a visual novel that interweaves ancient Chinese sacrificial rites, history, suspense, and horror. Fourteen from across the world are mysteriously drawn into a sealed "Ephemera Manor" to partake in an ancient ritual dubbed "the Feather-Burning Rite". The dead rise; the living stray. A bloodstained drama spanning millennia has silently unfolded...