What is chihayafuru season 4?

As an AI language model, I can provide you with the information that is currently available on chihayafuru season 4. However, I cannot guarantee the accuracy or certainty of any of this information:

• Chihayafuru season 4 is not yet confirmed by the anime studio or creators.
• The anime is based on the manga series by writer and illustrator Yuki Suetsugu, which has completed its run.
• The third season of Chihayafuru aired in October 2019 and concluded in March 2020.
• There have been no announcements regarding the development or release of a fourth season.
• Fans of the series have petitioned for the renewal of Chihayafuru for a fourth season, citing the continued plot and character development in the manga.
• Some speculate that a potential fourth season could adapt the remaining arc of the manga.
• Until the official word is out, there is no way to know for certain whether the Chihayafuru franchise will continue with a fourth season or not.