(every scar will build my) Throne

Simon Riley, son of the boss, star athlete, known as the "ghost" on the ballfield.
Serves his country. Comes back to coach, finds a girl.
The girl catches him sleeping with a man.
His father gives him an impossible choice, and he becomes his prisoner.
He ghosts the whole world.

Later, the boss owes the new leader of an old rival family a debt.
Johnny Mactavish, new to his throne, agrees to take a unique form of payment.
A human form of payment. A tall, blond, broken, human form of payment.
And Johnny gets more than he bargained for in the best possible way.