Shimy's reconciliation with her mother at the end of Book 4;
Still in Book 4, Razzia fixing Toopie's stuffed rabbit.
The Anathos Cycle, of all, has a such a scene, where all couples amongst the protagonists end up in a They Do situation. In any other context, this would have probably Tasted Like Diabetes, but in the Darker and Edgier theme of the cycle, it was rather welcome.
Razorcat displays feelings for Nadkoko; despite his monstrous appearance, she actually reacts positively to it, and express liking in him.