Shivelight

Both have a similar premise
Both are rom com
With chef fl traveling back in time
High status ml
...................................

Female Investigator
Prince Companion
Maiden Holmes is light hearted
The plot gives off the same vibe or at least a similar overall storyline...

Both Historic/ Costume dramas
Both FLs time travels (in Queen of attack the FL rather travels into a historic drama plot)
In both the Leads meet each other in the present
Both MLs are King
Both FLs are students