August 2019, scientists received extraterrestrial signals warning them of the catastrophes that will hit Earth. Following it, various extraterrestrial life forms come into contact with the human species. People...

Somewhere in the desert lies the world's greatest treasure: the 12 Rings of the Dead, the only source of the mysterious substance Zombie Powder, which can raise the dead and grant eternal life. Into this world...

Michiru Kita is a weak-spirited girl who has a hard time saying what’s on her mind. One day, she notices mysterious, ring-like markings around the necks of two of her classmates, Chika Akatsuki and Shito...