Ths show has no heart. Lead has wide-ranging plot powers, diminishing any impact of the other characters, who are there to prop up the lead. To make things worse, there is the "no morality" gimmick, allowing the lead to shit all over the rest of the characters, justified by the "no morality " gimmick. The lead seems to be a sociopath, showing no compassion towards the other characters while demanding the viewers' sympathy for her own circumstances.
I understand that the writers were going for a 'grey area' approach, as opposed to most other kdramas, which are usually overly emotional, with strongly defined 'good and 'bad', but this effort comes across as misguided. Maybe they should read some more literature, before attempting something like this. It requires nuance and a delicate touch, which is usually not seen in korean tv shows.
Huge letdown, since there was potential but its completely squandered.