Everlasting Serenity (2023)

It have similar story all about Concubine. And the main female lead play in both drama as a Concubine

A lot of Haren fights.
Both FLs are not interested in the ML at the begging.
ML love them first

Blooming days has a more week and indecisive ML

basically it's the same story. they changed the Dynasty into a Ming-like and instead of the imperial family you have the emperor's brother's family (kind of interesting, we never see a prince in his fiefdom)

An exact copy of the story.

Both FLs remind the powerful men in the royal family of their previous love.

The FLs are constantly exposed to threats in the harem.

1. Ml loves the first
2. FLs plot a lot. They are smart and can see the plotting
3. strong FL
4. ML is jealous of the SML

Not similar
Ming Lan has not Haren fights
Ming Lan is more pure (less miss understanding)

ML competes against his brothers to be his father's heir.

FL helps the ML to achieve his ambitions and recruits her former admirer to be the ML's special adviser.

FL helps the ML to be the next heir to the throne. Both FLs in the two dramas are strong-minded and are willing to help the ML to achieve his ambitions.