: Marie’s daughter, who is central to several of the game's story arcs.

SLEEPLESS – Nocturne is an adult visual novel developed by the studio and published in the West by MangaGamer . It is a direct sequel to SLEEPLESS – A Midsummer Night's Dream .

"My Lady," Kaelen stammered, his hand instinctively going to his sword hilt. "The protocols state I must stand watch until the coronation bells toll. The council fears... insurrection."

, the artist and writer famous for dark, psychological classics like Bible Black and Starless . As an Empress title, Sleepless - Nocturne carries the studio's signature "Final Empress" style—a blend of high-stakes psychological drama, supernatural mystery, and extreme adult content. Narrative Framework

(or simply "Empress"), known for "exclusive" high-quality, often polarizing adult content