Powerful, avaricious sorceress Lina Inverse travels around the world, stealing treasures from bandits who cross her path. Her latest victims, a band of thieves, wait in ambush in a forest, thirsting for revenge. When Lina is about to effortlessly pummel her would-be attackers, the swordsman Gourry Gabriev suddenly announces his presence. Assuming Lina to be a damsel in distress, the foolish yet magnanimous man confronts the brigands in order to rescue her. After defeating them posthaste, the oblivious cavalier decides to escort Lina to Atlas City. Though not very keen on this idea, she ends up accepting his offer. However, without realizing it, Lina has chanced upon a mighty magical item among her most recent spoils. Now two mysterious men are hunting the young magician and her self-proclaimed guardian to obtain this powerful object for apparently nefarious purposes. This way they begin their adventure, one where the fate of the world itself may be at stake. [Written by MAL Rewrite]

Thousands of years ago, the ancient dragon Bahamut wrought havoc upon the land of Mistarcia, a world where both gods and demons live amongst mankind. Working together to prevent the world's destruction, the rival deities barely managed to seal Bahamut, agreeing to split the key between them so that the dragon would remain eternally imprisoned. With the world safe from the destruction of Bahamut, it is business as usual for bounty hunters like Favaro Leone. Living a laid-back, self-serving lifestyle, the amoral Favaro goes about his work while on the run from fellow bounty hunter Kaisar Lidfard, a righteous man who swears vengeance upon Favaro. However, Favaro's carefree life is thrown into chaos when he meets Amira, a mysterious woman who holds half of the key to the world's fragile peace. Shingeki no Bahamut: Genesis tells the story of a group of unlikely heroes who find themselves caught in the middle of an epic clash between gods and demons, forced to carve their own path in the face of the imminent storm.

As Jun Sakurada fights and lives alongside the Rozen Maidens, special lifelike dolls made to battle each other, he enjoys a rare break in which he is told a story during the events of Rozen Maiden: Träumend. When Jun buys a brooch as a present for Shinku, the fifth doll, she refuses to accept it at any cost. Souseiseki, the fourth doll, then recounts the story of how Shinku and the first doll, Suigintou, first met. This tale tells of the cruel and heartbreaking circumstances surrounding Suigintou's birth, and how the many misunderstandings between her and Shinku shaped their longstanding rivalry fueled by Suigintou's unfettered hate towards Shinku. The stage is set in Rozen Maiden: Ouvertüre in 19th century London as the story delves into the past of these one-time friends and the secrets that they hold. [Written by MAL Rewrite]

As the story of Rozen Maiden closes, a new chapter begins in Rozen Maiden: Träumend. Shinku and the other sentient dolls of the Rozen Maiden collection are living life as usual at Jun Sakurada's house. Having settled into his role as Shinku's partner in the deadly Alice Game, Jun overcomes his former fears and prepares to return to school. And although Shinku and the other dolls idly pass the days by in the comfort of Jun's home, dark times lie ahead as a new foe presents herself: Barasuishou, the seventh Rozen Maiden. But Barasuishou is a mystery even to her sisters, none of whom have ever laid eyes on her until now. Shinku considers this a sign that the Alice Game is coming to an end, meaning the dolls will soon be forced to fight one another. Haunted by the upcoming battle and nightmares concerning another doll, Shinku begins distancing herself from the others. If she wishes to claim victory, it will come at a high cost—the lives of her sisters. [Written by MAL Rewrite]