The signing of a peace treaty has secured a tenuous ceasefire between mankind and the Zex, beings who emerged from space/time rifts connected to mysterious, distant worlds. Partnered with a Zex named Rigel, Azumi Kakamigahara must shoulder the fate of her own idyllic world. The unlikely pair head to newly established Fujimisaki Academy, where their destinies await.

In the future in Onomichi, Hiroshima fish disappear from the sea around the world and only whales live in the ocean. The Ministry of Fishery decides to set up giant experimental Universe Fish Tanks in space. The Onomichi Universe Fishery Union is established and begins to train space fishermen. Female fishermen are in demand due to the strengthening of an equal employment law for men and women. Six new female space fishermen are selected, and the story centers on supporting their growth. (Source: ANN)

Lucifer, an Archangel and former head of the Seven Heavenly Virtues, is banished from Heaven after revolting against the Lord's will.. While plummeting from the skies, she is halted halfway between Heaven and Hell after crashing through the roof of a high school church. Though she is witnessed by Maria Totsuka, a soft-spoken student at the academy, Lucifer swiftly continues her descent into the depths of Hell. Soon after her arrival, Lucifer is found by aspiring Demon Lord and fangirl Leviathan. The two decide to overthrow the Seven Sins, the authorities of Hell under the leadership of Belial. But with their combined powers, the Seven Sins are able to repel Lucifer and contain her divine powers by placing a Garb of Punishment over her body, transforming Lucifer into a Demon Lord. Longing for revenge and accompanied by Leviathan, Lucifer makes her way back to Earth, where she forces Maria to become her immortal slave. Together with her new accomplices, Lucifer sets out on a mission to subdue the Seven Sins so she may be free of the curse brought upon by her Garb. [Written by MAL Rewrite]

The anime follows Makoto, a young boy who gains superpowers due to an evil gene manipulation experiment. Makoto and other youths join the Avengers as apprentices named "Future Avengers." The anime will show Makoto and others as they train, fight villains and grow, under Avengers members Iron Man, Captain America, Hulk, Thor, and Wasp. (Source: ANN)