After 9 chapters, what I can see is that, the husband is close to both of them (Fl and Taemin) and when Taemin died, Husband was there to comfort the FL then they got together. I don't know but I have a feeling the husband has something to do with husband's death and now that it's kinda confirmed that ML is the dead husband since he said "I miss you" indicating he knows FL way back then, he's maybe trying to revenge? Or trying to get the FL back
After 9 chapters, what I can see is that, the husband is close to both of them (Fl and Taemin) and when Taemin died, Husband was there to comfort the FL then they got together. I don't know but I have a feeling the husband has something to do with husband's death and now that it's kinda confirmed that ML is the dead husband since he said "I miss you" indicating he knows FL way back then, he's maybe trying to revenge? Or trying to get the FL back