It has similar storyline.
- Female leads with amnesia, were somehow involved in marriage of convenience with Male leads.

Both are focused on the family relationship and all the dynamics between the family members. The lead couple has interesting dynamics and great chemistry.

FLs were mistreated by their families growing up. Finally they become strong. There're some politics parts in both, MLs become ministers in the court.

FL and SFL got switched their identities and replaced for arranged marriage in both dramas. Also some interesting storylines in both.

FL and SFL got switched their identities and replaced for arranged marriage in both dramas. Also some interesting storylines in both.

Princess FL who had sent as an arranged marriage to the desert, that plot was in both dramas. Alen Fang was 2nd ML in the longest promise, now ML in love in the desert.

In both dramas, FL and SFL got switched their identities and replaced for arranged marriage. Also have a main couple and a second couple in both dramas. Great chemistry as well.

FL and SFL got switched their identities and replaced for arranged marriage in both dramas. Also some interesting storylines in both.

There're some similar vibes from these dramas.
Princess FL
Desert settings
Arranged Marriage
Angst

Those are chinese historical dramas with
- very cold MLs
- love triangle
- hidden identities
- some political drama
- smart FLs
- similar relationship dynamics

Both are chinese historical dramas with
- enemies to lovers
- hidden identities
- some political story
- mysterious ML characters
- smart FL characters

Both of these are chinese historical dramas with
- MLs are cruel and red flag types.
- enemies to lovers
- political story
- love triangle