Can someone explain what's happening on the last few chapters? I'm kinda lost

The uke have romantic feelings for the seme, but the seme wants to keep as partners in a sex contract? So uke needs some time to sort out his feelings, then the seme seems to be falling for the uke as well. Then last chap we see the uke's ex sex friend/boyfriend?

Also, uke is not a masochist but he pretends to be one since he like the seme

Oh I see, ty