In both ML is an asshole to FL and everybody around them because they got done dirty by their exes
In both FL is torturing the ML at the beginning
Both couples are probably into BDSM
Enemies to Lovers
Fake Dating
Mature relationship once you get pass the crazy

Similar vibes and characters. Made by some of the same people and it has a cameo form the main actor form Vincenzo

Both have revenge plots with quirky characters.
Both are taking revenge on a major corporation and they both go about in out of the box unique ways.
The females leads are similar.
Also both have the actor Jo Han-chul playing an antagonist.