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There is a series of Buddha statue thefts in Kyoto. Beniko, a high school girl, gets the Buddha statue at her family's temple stolen and has her parents killed at the same time. Beniko hears from Enju, her parents' friend, that a robbery group called SEADDATTHA is the one who killed her parents, and feels the strong urge for vengeance. Enju offers Beniko to live with him since she has no place to go. She wanders into Enju's secret room and meets an ugly creature that looks like a fusion of her parents and Buddha statue...
Not far in the future, technology has advanced. On social media, dubious rumors are spreading about the mysterious "hologram ghost" phenomenon. First year middle school student Hiro Amanokawa activates a strange object left behind by his father, a Digivice. Suddenly he can see mysterious creatures that no one else can, called Digimon. That's how Hiro meets the mischievous Digimon, Gammamon, and his whole world changes. Now he's confronted scary monsters like the "mouth-sewn man" and a mummy that kidnaps humans.
2620 A.D. In order to find a vaccine for the virus from Mars with a death rate of 100% called the Alien Engine Virus, Hizamaru and the crew went to Mars to get a sample of one of the giant cockroach creatures, otherwise known as Terraformars. An unforeseen accident happens, and while Akari and the others fight the roaches to try to escape, humanity is fighting with each other behind clothes doors. The ultimate story of survival with Mars as the background... Round 2 is about to start!
With Earth becoming increasingly overpopulated, an ambitious plan has been put into place to terraform Mars using mold and cockroaches. Nearly 500 years after the plan, a mission to Mars, Annex 1, is under way to accomplish crucial research into the Virus currently plaguing mankind with the crew members who've been injected with various DNA of life on Earth in order to combat the Terraformars, giant humanoid cockroaches.
An alien race called Gauna has destroyed Earth leaving humanity struggling to survive, aboard the spaceship Sidonia. Even though it’s been a century since the last encounter with the Gauna, military service is mandatory. For Nagate Tanikaze, whose grandfather secretly hid him in the forgotten bowels of Sidonia, it’s a strange new world as he’s forced to come to the surface. Yet his recruitment comes just in time, for the Gauna have suddenly reappeared.
After the events of season one, the authority of Sidonia plans on turning the tables and strike at the enemy's heart. Ace Pilot Nagate Tanikaze and company again must put their lives in the line protecting Sidonia, but now in company of an unexpected ally; a sentient Garde-Gauna hybrid.
Koshigaya and Komada are professors by day, but at night, they are Bio Hunters. Their mission? Hunt down people infected with the ellusive Demon Virus, and destroy it. Things become complicated when the two become entangled with the fate of Sayaka, a woman whose grandfather is a famous psychic. With powerful enemies on their trail, they must find Sayaka's lost relative to hear his prophecy, or die trying!