An island in Japan is the site for the dumped and the refuse. Nanakusa and Yu who were childhood and school friends meet on this island that is called Kaiden, a scary name that only refers to things not normal or earthly. The reunited friends strike a bargain and are soon involved in cases most would not dare be involved in or become entangled in.

• avex pictures
• Ryusei Yokohama
• Marie Iitoyo
• Mario Kuroba
• Matsumoto Kiyo
• Honoka Yahagi
• Koudai Matsuoka
• Moemi Katayama
• Yuki Kimisawa