There’s a v first one too here (first couple): https://www.mangago.zone/read-manga/ookami_kun_wa_kowakunai/
then read the second one: https://www.mangago.zone/read-manga/thoroughbred_wa_nabikanai/
and then their sequels https://www.mangago.zone/read-manga/ookami_kun_wa_hanasanai/ (firstcouple)
https://www.mangago.zone/read-manga/thoroughbred_wa_yuruganai/ (second couple)
This is the sequel of a spinoff, the start of their relationship is here --> https://www.mangago.zone/read-manga/thoroughbred_wa_nabikanai/
If you're interested the main story is about a rabbit and a wolf and you can read it here --> https://www.mangago.zone/read-manga/ookami_kun_wa_kowakunai/
There's also a sequel of the main story (currently ongoing) --> https://www.mangago.zone/read-manga/ookami_kun_wa_hanasanai/

I saw this was a sequel so does anyone know which one I should read first or does it not matter?