Not much is notable about the lecherous Ataru Moroboshi, but his extraordinary bad luck sticks out like the horns in an alien's head. When Earth is threatened by a fleet of alien invaders known as the Oni, Ataru is selected to represent humanity in a duel against one of them. It's a stroke of rare luck for Ataru that the duel is in fact a game of tag, and that his opponent is Lum, daughter of the Oni's leader, who places her personal dignity above victory—as Ataru finds out by seizing Lum's bikini top and with it, victory. However, misfortune kicks in again when Lum mistakes Ataru's promise to marry his girlfriend, Shinobu Miyake, as the desire to wed Lum herself, and decides she rather likes the idea. Wielding her influence as an alien princess, she moves in with him. Forced to deal with the consequences of his womanizing ways, Ataru must balance his crumbling relationship with Shinobu while keeping Lum happy, all the while flirting with every woman he meets.

Humans have designed countless worlds—each one born from the unique imagination of its creator. Souta Mizushino is a high school student who aspires to be such a creator by writing and illustrating his own light novel. One day, while watching anime for inspiration, he is briefly transported into a fierce fight scene. When he returns to the real world, he realizes something is amiss: the anime's headstrong heroine, Selesia Yupitilia, has somehow returned with him. Before long, other fictional characters appear in the world, carrying the hopes and scars of their home. A princely knight, a magical girl, a ruthless brawler, and many others now crowd the streets of Japan. However, the most mysterious one is a woman in full military regalia, dubbed "Gunpuku no Himegimi," who knows far more than she should about the creators' world. Despite this, no one knows her true name or the world she is from. Meanwhile, Souta and Selesia work together with Meteora Österreich, a calm and composed librarian NPC, to uncover the meaning behind these unnatural events. With powerful forces at play, the once clear line between reality and imagination continues to blur, leading to a fateful meeting between creators and those they created. [Written by MAL Rewrite]

For centuries, Heaven has required its young angels to live and study among humans in order to become full-fledged angels. This is no different for top-of-her-class Gabriel White Tenma, who believes it is her mission to be a great angel who will bring happiness to mankind. However, Gabriel grows addicted to video games on Earth and eventually becomes a hikikomori. Proclaiming herself a "Fallen Angel," she is apathetic to everything else—much to the annoyance of Vignette April Tsukinose, a demon whom Gabriel befriended in her angelic early days on Earth. Vignette's attempts to revert Gabriel back to her previous self are in vain, as Gabriel shoots down any attempt to change her precious lifestyle. As they spend their time on Earth, they meet two eccentric personalities: the angel Raphiel Ainsworth Shiraha, Gabriel's classmate with a penchant for sadism, and the demon Satanichia McDowell Kurumizawa, a clumsy self-proclaimed future ruler of the Underworld. Gabriel DropOut follows these four friends' comedic lives as they utterly fail to understand what it truly means to be a demon or an angel. [Written by MAL Rewrite]

It is the year 2017, and Europe is being invaded by the forces of the Holy Britannian Empire. In an attempt to combat the opposition's overwhelming pressure and put an end to the massive casualties, the army forms a special unit called Wyvern, or W-0, composed of former Japanese citizens referred to as "Elevens." Recruited from ghettos, these young men and women pilot Knightmare frames—humanoid war machines—into dangerous operations where death awaits, hoping to make a name for themselves.

When a European regiment attempting to recapture a crucial city is pinned down by the enemy, it's up to W-0 to bail them out. Among those selected for the rescue operation is Lieutenant Akito Hyuuga, known as "Hannibal's Ghost" due to his prowess on the battlefield. However, the supposed rescue mission becomes suicidal when, in an attempt to take out as many Britannians as possible, the commanding officer initiates the Knightmare's self-destruct sequence. In its aftermath, Akito finds that he is the last one standing…