Basically the same story just different universes
Both are miniseries with the same ML
Both have a great revenge plot with almost the same actors
In both the SML is jealous of the ML and feels inferior to him

In both dramas, there is a fake relationship with the ML being a hot-shot CEO.
In both of them, the FL finds her boyfriend cheating on her and the ML helps her by pretending to be in a fake relationship.
Both have women who are against the FL and try to destroy them.