Mysterious relics belonging to ancient civilisations are being uncovered around the world and organisations from various countries round the world including America and Russia are after their power, including the world's biggest weapons manufacturer, Trident. After discovering a message on a plate of unknown material...

Don't let the cute character designs fool you. This show has a great world setting and can be very cruel at times. Gorey too. Many people have been attracted to a giant crater known as the "Abyss", seeking mysterious and valuable Relics. However, not many make it to the bottom due to the curses it holds. Depending on how deep someone...