JK Musou: Owaru Sekai no Sukuikata

The world stands on the brink of collapse as creatures once confined to the realm of fiction suddenly materialize, wreaking havoc across the globe and pushing human civilization toward its final days. Amidst this apocalyptic chaos, a formerly reclusive high school girl discovers that she harbors a unique power. Recognized by a mysterious system as one of the chosen "Players," she is thrust into a desperate struggle for survival alongside others who share her designation. As she engages in battle against the monstrous threats, she steadily grows stronger, leveling up and unlocking new skills while mastering the art of magic. Rather than succumbing to despair, she resolves to use her newfound abilities to eradicate the creatures and protect those around her. Yet, despite the grim reality of a dying world, she embraces the apocalypse with an unexpected sense of freedom, finding joy in the laid-back lifestyle that the end of everything has surprisingly afforded her.