Mihoyo filed a new trademark for Honkai: Star Rail in Japan! This seems to be an unannounced game related to Honkai Impact 3rd on iOS, Android and PC. The trademark was filed back on August 23rd and made available to the public today, September 21st (JST). Fans will have to wait for an official announcement from Mihoyo in the mean time.
Stay tuned at Final Weapon for the latest Japanese gaming news and updates!