- FL worked in the palace as a maid;
- FL served ML;
- ML only loves FL, but has to keep distance;
- ML is an emperor
- sad ending

- FL was in love with somebody else first before falling for the Emperor;
- ML and SML are in love with FL;
- struggle inside the palace

- FL loved somebody else before;
- ML went through struggles before becoming the emperor;
- ML only loves FL even though he marries other women because of his status

- multiple opposing males fall for FL;
- FL has amnesia and hidden identity;
- two kingdoms;
- power struggle

- relationship between beasts/demons and humans;
- fights;
- weak ML with hidden power;
- FL with hidden identity

- Good-looking mains;
- ML and FL have a sibling-like relationship;
- ML and FL develop romantic feelings towards each other;
- ML and FL have been separated for some time;
- Not a typical family model
Go Ahead is a much better project of course.

- ML & FL work together;
- mains work in investment/finance;
- similar comedic vibe;
- ML has a higher position than FL;
- emotionally strong FL;
- SML/villain is obsessed with FL

- antihero ML;
- ML keeps FL captive;
- toxic relationship;
- possessive ML;
- tyrant-type ML who has a high position

- ML has antisocial disorder (does not understand human emotions);
- ML watches others and mimics human emotions;
- smart and antigonist-type ML;
- FL changed ML's world

- ML and FL are separated
- ML does not recognize FL even though she resembles him of somebody special
- ML was ruthless to FL at some point because she resembled him of somebody special
- power struggle
- crown prince / king ML

Looks like a similar plot with FL going back in time and trying to change her future in the palace.

- ML deeply loves FL,
- great dramas,
- ML is a king,
- FL worked in the palace,
- ML has other wives