Guilty Crown

Shuu's entire world was shattered after a meteorite crashed into Japan, unleashing the lethal Apocalypse Virus. The chaos and anarchy born of the outbreak cost Shuu his family and reduced him to a timid, fearful shell of the boy he'd once been. His life took another unexpected turn after a chance encounter with the stunning pop star, Inori. This mysterious beauty introduced Shuu to the King's Right Hand: a genetic mutation that allows him to reach into hearts of mortals and turn them into weapons. Shuu finds himself caught in the crossfire between those who desperately seek his newfound strength. On one side lurks a clandestine government agency, and on the other, Inori and the spirited band of rebels known as Funeral Parlor. The choice is Shuu's to make - and the world is his to change. (Source: Funimation)

DARLING in the FRANXX

The distant future: Humanity established the mobile fort city, Plantation, upon the ruined wasteland. Within the city were pilot quarters, Mistilteinn, otherwise known as the “Birdcage.” That is where the children live... Their only mission in life was the fight. Their enemies are the mysterious giant organisms known as Kyoryu. The children operate robots known as FRANXX in order to face these still unseen enemies. Among them was a boy who was once called a child prodigy: Code number 016, Hiro. One day, a mysterious girl called Zero Two appears in front of Hiro. “I’ve found you, my Darling.” (Source: Crunchyroll)

Bokurano

During a summer camp, 15 children, 8 males and 7 females, find a grotto by the sea. Deep within they discover working computers and some electronic equipment, and later the owner, a man called Kokopelli. Kokopelli claimed to be a programmer working on a brand new game, in which a large robot has to defend the Earth against alien invasions. He persuades the children to test the game and sign a contract. All but one of them signs, barely a moment later they mysteriously awaken on the shore believing what happened was just a dream. (Source: Anime News Network)

Kiznaiver

The fictional Japanese city named Sugomori City is built on reclaimed land. But as the years go by, the city's population is decreasing. One day, Sonosaki tells her classmate Katsuhira: "You have been selected to be a Kiznaiver." The Kizuna System, which allows Katsuhira to share his wounds, connects him to the classmates whose lives and personalities completely differ from his. The Kizuna System is an incomplete system for the implementation of world peace that connects people through wounds. All those who are connected to this system are called Kiznaivers. When one Kiznaiver is wounded, the system divides and transmits the wound among the other Kiznaivers. (Source: Anime News Network)