You're referring to the romance novel "Red, White & Royal Blue" by Casey McQuiston!
Alex, in particular, struggles with the constraints of his identity as a closeted gay man in a high-profile position. His fake romance with Prince Henry allows him to experiment with a more authentic version of himself, even if only in a limited capacity. This exploration of identity is echoed in Prince Henry's own journey, as he navigates the complexities of royal duty and personal desire. red white and royal blue pdf
Here's a potential paper on the topic:
An Exploration of Identity, Power, and Love in "Red, White & Royal Blue" You're referring to the romance novel "Red, White