>>49534226
>>49534019
Also, not the anon you were arguing with, but Gou/Sotsu explicitly do take place after Saikoroshi. R07 mentioned Rei on twitter alongside the original and Kai as part of the events that lead to the culmination in Sotsu, and there was also one shot from the hospital scene at the end of the Hanyuu backstory montage.

https://x.com/07th_official/status/1410453234892738567