Creator Shōta Kōno recently premiered a science fiction horror manga, Nightmare of Oveja Negra (Oveja Negra-gou no Akumu). The title launched concurrently across Shueisha's Shonen Jump+ and MANGA Plus services. As reported by Anime News Network, the series earned the top honor at the Shonen Jump+ Rensai Grand Prix 2025. The plot follows Captain Hank and his salvage team aboard the Oveja Negra. While searching for space debris, the crew intercepts a signal leading them to a mysterious, deserted mining site where they encounter unexplained events.