Drift couldn't stop, he couldn't waste the gift that Santa had left him, Drift was fulfilling his greatest fantasy of being with a soldier, but not just any Soldier.
They both changed positions so that Drift was on top of Chris's body, while Chris did what Drift ordered him, since he was a soldier at Drift's mercy.
Drift continued riding Chris's cock, his movements were fast and slow, between each movement Chris's cock spilled precum, Drift lost in the pleasure and in Chris's muscular body he ended up spilling his semen on Chris's abdomen, while He left all his abundant semen inside her ass.