Endou, a night guard, was patrolling the mall as usual. But this night was going to be different from usual... (Source: Anilist)

The word cerebrum refers to a gigantic system consisting of collision universes, which is called cerebrum universe. The story starts from a series of unknown murders, unravelling the secret hiding beneath the entire universe, ranging from horrifying conspiracies to galaxy wars, from anti-human betrayals to honourable sacrifices. Having realised her weakness and backwardness, mankind takes the last stand. (Source: Official website)

In the not-too-distant future, the human world has long been overpopulated. Humanity marched to the stars in search of a new home, and just as this was going on, the moon's alignment caused massive earthquakes to ripple across the world, lasting several decades. Humanity was demolished. When the land finally recovered, humanity reemerged to face this strange yet familiar world. Will we, who once lorded over this domain, still remain the masters of this world? (Source: Yu Alexius Anime Portal)