Lunatan: 10,000-nen no Himitsu

In the anime's story, there was a prospering civilization thanks to giants called Luna who once brought the energy known as Mana. However, a giant tsunami struck the world and destroyed the civilization. The story takes place underground 10,000 years after the tsunami hit. The main characters are Mokugyo (voiced by Katsuyuki Konishi), a fish named with plant life growing from his back, and a talka...