If the work is a standalone game or dōjinshi, updates often come in the form of "Version Up" patches (e.g., v1.1 or v2.0) adding new scenes, voice acting, or gameplay mechanics.

The story typically follows a (Seijo) or holy figure known as the "Bullet Saintess" (Dangan Seijo). In this fantasy setting, she is targeted by antagonists—often dark mages or monsters—who use hypnosis magic (saimin mahou) to break her will or turn her against her allies.

Below is an overview of the story, key themes, and the current status of its updates.