Battle Styles versions of Korrina (Rapid Strike) and Bruno (Single Strike) have been revealed in Chinese (Taiwan and Hong Kong) from the upcoming Rapid Strike/Single Strike (s5) Top Enhancement Box (頂級強化箱).
The image is too low quality to translate, the article will be updated once better resolution images and translation are available.
Update 01/08/2021
High resolution images and translation of the Japanese cards are available.
This also will be the way Chinese players can obtain the Shiny Crobat V Promo card from Shiny Star V and Shining Fates.