Yami is sixteen and lives on Sorashima, an island where the line between reality and mystery blurs. Between school and her part-time job at a convenience store, she carries a secret duty: to protect the island’s residents from a dark and unknown threat that seems intertwined with a hidden past.
As Yami continues her summer routine between work and ghost hunting, Ryu recalls the day he first uncovered a dark secret hidden on the island. Meanwhile, the Star Festival is fast approaching...