Koei Tecmo announced today that Romance of Three Kingdoms XIV will have a collaboration with Legend of the Galactic Heroes. [Thanks, 4Gamer!]
Both the old anime series and the new Legend of the Galactic Heroes Die Neue These anime will be part of this collaboration. More information on what exactly this collaboration will entail is to be released in the future.
Whether this collaboration will be included in the Western release has yet to be announced.
Romance of the Three Kingdoms XIV releases for PlayStation 4 and PC in Japan on January 16, 2020. It releases in North America and Europe on February 28, 2020. A demo is currently available for PC in Japan. Get more details on the Western release here.