Video Game Data

An erotic fantasy visual novel from the twisted mind of Sei Shoujo of Bible Black fame. A pair of college students wanders into Black Rose Manor, an isolated estate located deep in the mountains once again.

Developer: Empress

Publisher: MangaGamer

Release Date: Jan. 29, 2026

Genres: Adventure Indie

Tags: 2D Adventure Anime Choices Matter Choose Your Own Adventure Comedy Cute Dark Dating Sim Hentai Indie Multiple Endings Mystery Nudity Romance Sexual Content Singleplayer Story Rich Visual Novel

Reviews: 13 (Followers)

Followers: 1061

Price:
USD: $19.99

Platforms: Windows

Languages: English

Steam Achievements: None

Estimated Sales: $7,796

Estimated Wishlists: 12,732

SLEEPLESS Nocturne on Steam

Categories: Custom Volume Controls Family Sharing Mouse Only Option Save Anytime Single-player Steam Cloud Subtitle Options