Looking at what other reviewers had to say about this manga, I went in not expecting much more than a good story with a decent ending. Wow was I undersold on this one. Twinkle Stars is genuinely on par with Fruits Basket when it comes to Natsuki Takaya's other works and I'm honestly surprised I never hear people talk about it.
As other people have said, this story starts off slow. We are being introduced to characters and getting some setup to later plot threads but the payoff is well worth it. Takaya is amazing at what she does with story threads and tying certain aspects of characters to events that we weren't informed of yet. Nothing is a surprise just to surprise you, it all is interwoven together.
The art is exactly how I remembered her style to be. I will say I always enjoyed Takaya's earlier style but still the way she draws emotions is phenomenal. She can either pull your heart strings or make you cry from simple facial expressions.
The last chapter was a bit unsatisfying of an end. It felt a bit rushed but usually I don't hold this against the author. Most times in that case, the publication rushed the deadline or just not enough popularity during serialization can make series' end prematurely. However it wrapped up the story perfectly either way.