The girl admitted to the institute commits suicide.
The spaceship "Climb One" departs from Earth with 72 scientists aboard. They then lose contact with all other ships. Behemo facilitates the Climb One's arrival into the destroyed First Period.
Before BT 528
The Climb One arrives in the destroyed First Period.
The scientists on the Climb One begin rebuilding the world.
Seth Twiright instigates the deaths of all but ten of the scientists.
The Climb One crashes into Earth as scientists argue over managment of the new world, killing the surviving crew and trapping their spirit data inside.
Held and TALOS escape the ship and reincarnate into the bat god Sickle and the tree god Held; the dead scientists are reincarnated into Held's forest spirits.
Between BT 528 and BT 022
Humans in Levianta discover abandoned Second Period technology, including the Climb One, which they call "Sin". Upon hearing the voices of the twin dragon gods Levia-Behemo, they bring Sin out of the Earth and into a temple.
Seth Twiright, having escaped the ark, creates artificial humans with HER syndrome known as "Ghoul Children", including Pale Noël and Kiril Clockworker.
The prophet Maria Moonlit becomes Queen Merry-Go-Round of Levianta.
Adam Moonlit is born as the son of Maria Moonlit.
Elluka is murdered by her sister-in-law Irina.
Irina is chosen to be Ma as the sole remaining candidate.
A heartbroken Kiril brings Elluka's corpse to "Sin" inside the temple at the beckoning of Levia-Behemo's voices. Levia and Behemo reincarnate into Elluka's body, causing a great explosion in the temple. The twin-headed dragon escapes the ark and begins destroying the Magic Kingdom Levianta and surrounding countries in the Levianta Catastrophe. An amnesiac Levia takes over as the dominant personality inside Elluka's body and impersonating the sorcereress, taking her fiancé's last name. The dying Irina is approached by Seth Twiright, who places her soul into the body of a red plush cat. Two fragments of the dragon fall to Held's forest and merge with Hänsel and Gretel's souls.
A great famine occurs as a result of the Levianta Catastrophe.
Adam and Eve abandon Hänsel and Gretel in the forest.. Hänsel and Gretel find their way back home and murder their parents, who they believe to be a "witch" and her "henchman". The twins split Eve's soul into seven fragments and perform a Re_birthday to create six of the Demons of Sin. They then scatter the sins throughout the world.
Held tasks Elluka with collecting the Seven Vessels of Sin to keep the twin gods busy.