The sweetness of a sugar daddy manga varies. It could be sweet if it shows a deep connection and mutual understanding between the characters, beyond just the material aspect. But if it's only about money and power, it might not be that sweet.
The Sugar Apple Fairy Tale manga has indeed finished. It provided a satisfying conclusion to the tale. The final chapters tied up loose ends and gave a proper ending to the characters' journeys.
Well, usually in manga, to become a princess, you need to have kindness, courage, and a heart full of love. Also, a bit of luck and some magical elements might help.
In general, the Twilight Princess manga is regarded as canon. It adheres closely to the key elements and plotlines set in the original franchise. Minor deviations might exist for artistic or narrative purposes, but the core remains consistent.