Filming a Fairytale (Phan)

Lights... Camera... Act-
Phil.
Phil Lester.

Daniel Howell is on his way to becoming a new director, already weaving his way through initiation at University and starting on new projects for advertisements. On his spare time, he's constantly making short films and buying new camera equipment.
But he isn't doing so well.
Until one gloomy day in England, he receives an offer of a lifetime. An offer to film and direct a new and rising-in-popularity science-fiction movie.
And Phil Lester is the lead.
Dan can't afford to be distracted at this point, but he can't help it when a certain sexy, talented, famous actor is with him all the time, looking over his shoulder to see the scene sequence, or looking to Dan for improvement.
He's forced to work professionally and directly with him, regardless of the slight attraction he shows to him.
But what happens when the tension breaks, and Dan and Phil find themselves relentlessly flirting with each other on set?

*Warning: smut in future chapters*