The vapor grew thinner, but only because it stretched to coil around the both of them. It bound them, one to the other. Willy was hard and eager and soon enough he tore himself away from Fin's lips to shoot down his body. He nuzzled at his cock while the vapor closed the gap he'd left. It coiled around Fin, tickling his skin and making it prickle with desire. Or, perhaps, it wasn't the vapor at all. Perhaps it was the way Willy took Fin's cock into his mouth, trying to swallow the whole length of him at once.