Kobayashi travels to Enishijima island with his girlfriend, Miyauchi. There, a mysterious curse turns Miyauchi into a clay figurine. Kobayashi returns home brokenhearted, but is told in his dream one night to "return to the island and find true love if you want your loved one to become human again." Kobayashi heads back to the island, carrying Miyauchi's figurine on his back. Through his interactions with the people of the island, he finds out about the local legend of Kasumihime, or Princess Kasumi. As he attempts to unravel the mystery behind the legend, Miyauchi appears as a vision before him. Will Kobayashi be able to turn her back into a human being?