Maze wakes up in her house, everything is a wreck and she has amnesia. Before she can gather what has happened the girl Mill storms into her house thanking her for having saved her life. She tells Maze that her house suddenly fell down from the sky and crushed Mills pursuers under it. However before long they are both on the run from further pursuers who want their hands on princess Mill. They are only saved when Maze discovers that she has phantom light magical powers and can summon Mills family heirloom mecha. However her performance with the mecha is weak; that is until the sun goes down and she is turned in to a lecherous man. Soon other travellers join them as Maze tries to protect Mill and figure out what she is doing in this fantasy world. (Source: ANN)

Bundled with the limited edition 12th manga volume. Miyako Arata is newly assigned to the Shinjuku Ward Nocturnal Community Relations Division. Each of Tokyo's 23 wards has one such department, established to mitigate paranormal and occult-related events. Arata's special skill is the understanding of non-human speech, and the story begins with him encountering a youkai at Shinjuku Imperial Gardens who refers to him as the legendary Heian-era exorcist, Abe no Seimei. (Source: Mayonaka No Occult Wikia)

After the final battle against Gaito, Sara had given her life to remain with him. The sea world is now at peace, but only with six mermaid princesses. While Caren, Noel, and Coco have returned to their kingdoms, it should be time for Lucia, Hanon, and Rina to do the same. After all, Mitsuki Tarou is leaving for Germany, and Doumoto Kaito is heading to Hawaii. Lucia is devestated, and when things couldn't get any worse, Kaito is lost at sea! Worst of all, a strange angel named Michel has appeared, wanting the mermaids to join him. But on the lighter side, Sara's spirit tells Lucia of Sara's successor, a young mermaid named Seira. The mermaids are in for another adventure!