Spoiler:
Tia(MC) chooses the prince in the end. Jieun was exiled after she saved Tia. I realized she was also a victim, even if she made the wrong choices. The prince is far from innocent as well. The redhead and green-haired male had to let go of their love for Tia. The redhead never ended up confessing. Not sure how I feel about this but I don't think I'll be re-reading.
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