Some similar manhwas could be 'I'm the Villainess, So I'm Taming the Final Boss' and 'The Secret of Angel'. They have elements of fantasy and character development similar to 'Who Made Me a Princess'.
You might enjoy 'Lady Baby' and 'Surviving as a Maid'. They have comparable storylines and character arcs to 'Who Made Me a Princess' in terms of romance and adventure.
There are a few like 'The Secret of the Magic Kingdom' and 'Fairy's Tale'. They have similar fantasy elements and strong female leads.
There are a few like 'The Secret of Angel' and 'The Dark Contract'. Both have elements of supernatural deals and mystery.
Princess manhwas often have beautiful art, intricate storylines, and focus on romance and adventure.
You could try 'The Secret of Angel'. It features similar themes of magic and a complex character development like in 'Who Made Me a Princess'. Also, the art style is somewhat comparable.
I think 'The Royal Tutor' could be similar. Both have elements of royalty and fantasy.
Well, 'Akagami no Shirayukihime' and 'Fruits Basket' could be considered similar. They feature charming characters and engaging storylines that might appeal if you liked Who Made Me a Princess. Both also have a touch of romance and fantasy elements.
I'd recommend 'The Abandoned Empress'. It has similar elements of fantasy and character development as 'Who Made Me a Princess'.
I think 'The Abandoned Empress' could be similar. It has elements of fantasy and a strong focus on the main character's journey.
Well, 'I'll Be the Matriarch in This Life' could be a match. Both have strong female leads and elements of drama and adventure.
I'd recommend 'The Royal Tutor' as it has a similar theme of palace life and character development.