A 30-year-old man who dreams of becoming a wizard suddenly loses his life. Reincarnated in another world as a young child named Shion, he grows up alongside Marie, his dependable older sister who adores him. Shion eagerly anticipates using magical powers, but he discovers that the new world seemingly does not have any magic. He spends the ensuing years as a gloomy and dejected child until a mystical phenomenon at a nearby lake catches the siblings' attention and breathes life back into his magical dream. While experimenting on the peculiar light emanating from the water, Shion finally confirms that magical energy really exists. It may not be convenient for anything just yet, but Shion devotes his time to studying the anomaly, determined to uncover all the existing wonders in his quest to make magic.

Several years after The Fruit of Grisaia... What was once "Mihama Academy," a sanctuary for young girls, has now been transformed into a SORD (Special Organization for Research & Development) training school dedicated to fostering talent for national defense. Rena and Maki specialize in firearms, Tohka and Gumi excel at sniping, Chris handles explosives and data processing, and Murasaki is a skilled ninja for intelligence operations. Together, they take on cases too complex for the police or Self-Defense Forces, repeatedly facing dangerous missions. This is the story of these young girls, painted in blood and gunpowder.

One year after the events at the Sanctuary, Subaru Natsuki trains hard to better face future challenges. The peaceful days come to an end when Emilia receives an invitation to a meeting in the Watergate City of Priestella from none other than Anastasia Hoshin, one of her rivals in the royal selection. Considering the meeting's significance and the potential dangers Emilia could face, Subaru and his friends accompany her. However, as Subaru reconnects with old associates and companions in Priestella, new formidable foes emerge. Driven by fanatical motivations and engaging in ruthless methods to achieve their ambitions, the new enemy targets Emilia and threaten the very existence of the city. Rallying his allies, Subaru must give his all once more to stop their nefarious goals from becoming a concrete reality.

Second season of .