Sony's latest flagship TWS earbuds have been re-released in Japan as new special editions dedicated to the 20th anniversary of Kingdom Hearts. They can be ordered alongside one of the OEM's latest Walkmans, which has been given the same treatment. The 2 new SKUs can be ordered via an official store online.
https://www.notebookcheck.net/Sony-WF-1000XM4s-and-a-Walkman-are-unveiled-as-Kingdom-Hearts-20th-Anniversary-Limited-Editions.623350.0.html