This OVA exists to show you the exact moment Chise stopped being a person and became a weapon. It's a prequel designed as a requiem, and it knows you've already watched her suffer. War doesn't give you the dignity of choosing your tragedy here; it just takes the choice away, and the show watches it happen in real time. The two episodes move like a funeral march, each scene another layer of what she lost before the original series even began. If you loved Saikano for its romance, this will destroy you because you're watching the love get crushed under the weight of military machinery. You need to have seen the main series first, or the emotional devastation will just feel like distant sadness instead of recognition.
War transforms Fukuoka into an inferno. Bombs rain down on the city while fighter jets streak across the sky, and in the chaos, a mysterious light cuts through the carnage. Another weapon emerges from the flames, intercepting missiles with brutal efficiency. Its arrival forces an impossible question: ally or threat? Chise carries her own burden. Weaponized against her will, turned into humanity's tool of destruction, she struggles with the weight of what she's become while thoughts of Shuji consume her. The military keeps deploying her to the front lines, indifferent to her suffering. She's not a person anymore. She's a tool with expiration date. This OVA diverges from the television series to uncover truths left untold. As the second ultimate weapon's intentions remain shrouded in mystery, Chise must confront whether salvation or damnation walks beside her. The story examines what it means to be human when your body is programmed for war, and whether love can survive in a world designed to destroy it.