A Curious Carriage of Crystal and Cold (слэш)

Charles, a miner from a poor village in the countryside, saves the life of Erik Lehnsherr, scion of a successful business family and the richest man on the planet Eisen. Charles is a telepath and somewhat anxious about it, while Erik abstains from relationships because the lights flicker and doors open and electronics vibrate when he gets too excited.
Also featuring a long-suffering sister, a foul-mouthed bodyguard, and a best friend with a heart that is definitely not gold.
In which there are princes, spaceships, long journeys, and old secrets uncovered. (An AU sci-fi fairytale)