Humanity teeters on extinction as a zombie plague transforms civilization into a wasteland of death and desperation. Yet amid the carnage, captivating mature women and enchanting high school heroines emerge as beacons of hope. Sosuke Kitahara awakens in this apocalyptic nightmare with a singular purpose: redeem the heroines he failed to save in his previous existence. Determined to alter fate itself, he embarks on a desperate journey across collapsing worlds, reconnecting with Sayuri Sawamura—the girl who once consumed his thoughts and a promise left eternally unfinished. Abandon all tragedy and hopelessness. This tale delivers explosive action, raw emotion, and a collection of heroines spanning celebrated anime franchises: Saekano: How to Raise a Boring Girlfriend, My Teen Romantic Comedy SNAFU, Rascal Does Not Dream of Bunny Girl Senpai, and Highschool of the Dead (select elements). When oblivion beckons, a single man stands resolute—fighting for romance, existence, and the salvation of 2D girls trapped in a shattered 3D reality.