In 9‑Nine: Ruler’s Crown, students in the ordinary town of Shiromitsugawa suddenly awaken supernatural abilities after ancient relics known as Artifacts emerge. Shō Niimi and a group of girls—including Miyako Kujō, Sora Niimi, and Haruka Kōsaka—unravel mysterious murders tied to these powers, blending romance with supernatural suspense. The series balances high school normalcy with eerie occurrences and a serial killer threat lurking behind the weird phenomena. Directed by Koichi Ōhata at Studio PRA, the anime features returning voice actors from the original visual novel and sharp character designs by Saori Sakiguchi. Premiering July 5, 2025, Ruler’s Crown promises a stylish and emotional mystery with a touch of supernatural intrigue.