The Question and Answer section for The Young Elites is a great resource to ask questions, find answers, and discuss the novel.
It is an epic fantasy set in an alternate world. It is set in an alternate fantasy version of Renaissance Italy.
The Young Elites "is set in an alternate fantasy version of Renaissance Italy."
I will need to look further for the answer to the second part of your question.
From what I can see, I have not read the book, he is a gay character. You can check this out,