What is the objective of the story as the ending was going nowhere. I like the humour parts and the 'person' at…
I believe there's a spin-off. Most streaming sites didn't show, but on Viu (where I watch it), there's a "end-credit scene" where it teases a continuation (S2), and also a spin-off movie premiering as a "CNY movie". The name is 大奉打更人之世间无我这般人, loosely translated to "No One Like Me".
She lost memory from her op from a few episodes back. Still hasn't gotten back close again.
iirc, she knows they used to be close, but the "rebonding" hasn't happen yet. like she was still "re-learning" or investigate what the truth was - Eun Song was feeding her conflicting info.
It reveals the "back-facing guy" face too.