"Where will their light lead them?" Kitsune is a fox girl who finds herself on Adashino Island and starts travelling with her Frog friend. Neon signs give light and color to the island with a Japanese-inspired atmosphere. Something is lurking in the shadows, inching ever closer...
One morning, Makoto the postman opens his eyes to find a strange and inexplicable visitor standing at his bedside. Soon after, he learns of a grim rumor spreading through Aquaria. As the letters he delivers bring writer and reader together, a once-forgotten truth begins to resurface.
A boy and an android girl wake up without their memories in a world where deadly robots roam the streets. With the boy's powers, they can leave their bodies to walk through walls or possess enemies. The two follow the trail of the intentions left behind by those who once perished above the ground.