You've virgin fields to plow.

"So, lover," coos Jess, "you going to show us that exit...?"

You chuckle as you give her shapely rear a squeeze. "You bitches really want to get out of here."

Amanda nods, wrapping her arms around your shoulders. "Think about all the fresh human souls we can fuck and damn," she coos, rubbing her swollen tits against your back. You turn and kiss her, allowing your serpentine tongues to intertwine.

"Mmmm, you two have convinced me," you say. "Come on. The subway's this way."

Giggling, the two succubi follow you to the subway, strutting and showing off their gorgeous assets the entire time. The station is abandoned in the chaos, so you march swiftly to the service entrance and yank the door off its hinges. Jess and Amanda clap, then follow you in. You are pleased to find that your incubus eyes see in the dark as if it were a sunny day, so that you have no need for a flashlight. You expect it to be a three hour walk through the tunnels, but you and your succubi are of the immortal flesh of the Lilin--you walk at a pace you would normally find tiring and are out in an hour and a half. It is an uneventful trip, though on one occasion, something snarls at you, only to retreat whimpering when you and the girls growl back. Reaching a ladder, the three of you climb up it quickly--you'd fly, if the tunnel were not so narrow--and come out into a small service shack. Jess and Amanda glance around in amazement.

"Fucking hell," says Jess, "it worked."

You wrap your arms around her shoulders and pull her in tight. "Did you think it wouldn't?"

Amanda embraces you from behind, rubbing her breasts into your back. "I never doubted..." She begins to stroke your demonic cock. Jess wiggles in front of you and joins Amanda in giving you a handjob. Soon the pair are kneeling before, each alternating between gagging on your cock and licking the shaft and balls. After a while, you cum, painting their faces with your tainted jism. The pair laugh and start lapping the black ooze up with their serpentine tongues. As they finish they rise, and begin to slide out of the shack. You press forward, but they pull back.

"Come on, lover," says Jess. "We want you ready for when the real fun begins..."

You snarl to yourself, but follow them out.