In a bustling metropolis where the boundary between reality and absurdity blurs, players assume the role of Zan, a shadow consultant who specializes in unraveling the mysteries of people's shadows. When a series of unsettling events transpire, such as shadows misbehaving, going rogue, or even impersonating their owners, it's up to Zan to dig deep into the enigma. Players navigate through various eccentric characters and their peculiar shadow dilemmas, solving quirky puzzles and revealing personal backstories. The choices players make not only affect the shadows they encounter but also change the fabric of reality, leading to multiple endings that intertwine mystery and humor.