The film's story begins when Arata inadvertently touches "Hermes Apocrypha," Lilith's Grimoire. Suddenly, he is enveloped by a bright white light, and a girl appears before him. She calls herself Lilim, and treats both Arata and Lilith as her parents. At the same time she appears, something changes in the world. The forbidden Eternal Library awakens. In the Library is sealed the ultimate culmination of Alchemy, the White Demon Lord. The White Demon Lord plots to eliminate Arata and the Trinity Seven to usurp the position of Demon Lord. Bristling with untold power, the White Demon Lord attacks Arata, and triggers a desperate crisis where Arata and the Trinity Seven must save the world in this last battle. (Source: ANN)

Heavens Library to Crimson Lord brings back Arata, Lilith, and the rest of the Trinity Seven to face off against the greatest enemy in the history of the Trinity Seven; Lilith's own father, who is revealed to be the strongest Demon Lord, challenges Arata who is now a Demon Lord candidate. (Source: Avex Pictures, edited)

In Penguin Village, humans live alongside talking animals and objects. Senbei Norimaki is one of these humans, and he's an inventor with the lofty dream of creating the world's best robot girl. The product of his efforts is Arale, but depending on your definition of perfect, she's anything but! Not only is Arale severely nearsighted, but she also has no common sense! At least she has super-strength, though that often proves to be a setback as well. Although she means well, Arale only causes trouble for her neighbors in the whimsical Penguin Village!

OVA of Baka to Test to Shoukanjuu which was announced to be released before the start of the second series.