Date A Bullet: Dead or Bullet & Nightmare or Queen (2020)

Hibiki Higoromo is a young girl who has lost all memory of her past. Known to others only by the moniker "Empty," she awakens in a strange, neighboring world with no understanding of how she arrived or who she truly is. Disoriented and vulnerable, she soon crosses paths with Tokisaki Kurumi, a formidable figure who harbors a deadly agenda. Kurumi intends to eliminate a mysterious girl, and she views Empty as a crucial piece in achieving that goal. To set her plan into motion, Kurumi guides the amnesiac toward a secluded school hidden within this unfamiliar realm. Upon arriving at the academy, Empty discovers that the grounds are far from ordinary. The school serves as a gathering place for a group of girls known as semi-spirits, each possessing their own unique presence and power. Thrust into an environment where danger lurks behind every corner, Empty must navigate this treacherous new reality without the comfort of her own memories. As the semi-spirits converge, tensions rise and alliances are tested, igniting a fierce and unpredictable conflict. With Kurumi’s lethal intentions driving events forward, a thrilling new battle begins, forcing Empty to fight for survival in a world she barely understands.