@Reikou feels like it fits perfectly, the trio has, in their very maladapted weird way finally reconciled.
No more smoke and mirrors where she instantly scours his memory as soon as he learns that wich he shouldn't, now she's kinda just winging it, meanwhile uncle bro has become actual official uncle bro, and current Hwang himself got over his weird inferiority complex and got into his angsty but actually understanding phase, being somewhat bold enough to directly confront his problems rather than just go with the flow like a dead jellyfish.
They even got a dog too.