Total Surrender (Werewolves & Vampires AB/DL #4)

Eighteen-year-old Millie wakes with her wrists and ankles tied. It's for her own safety, the strange doctor tells her, fangs sharp and biting his lower lip. She would be more inclined to believe him if he wasn't a vampire and isn't looking at her like she's his next meal. The more she struggles, the tighter the bindings on her are, trapping her in place while the doctor checks to make sure she's in perfect condition.

According to him, she volunteered for this weeks ago. He has her signature and a video recording of her to confirm that yes, she did ask to be tied up. It gets worse. Not only has she agreed to transform herself into a perfect Little , she has been adopted by a vampire and werewolf who are eager to bring her to her new home.

Millie thinks there must have been a mistake somewhere. She doesn't remember any of that!

...

Oliver lifts her up and into his arms. "Open," he instructs, and she doesn't even think about it before opening her mouth. He pops a new pacifier into her mouth, and she begins to suckle it immediately, relaxing in his arms as he bounces her lightly against his hip. "You're such a pretty little thing," he says. "I can already tell we're going to spoil you rotten."

She likes the sound of being spoiled. Even when her parents were alive, they hardly paid her any attention, focusing on work and earning money. He combs her hair away from her face and presses a kiss on her forehead.

"You're really a small thing, darling," he says. "We're going to have to fatten you up." He hoists her up a little higher and she squeals when that makes her feel a little like she's airborne for a second.

Oliver's not a big man, not compared to John, who's practically a giant, but he's able to carry her as easily, scooping her up with one strong arm under her diapered bottom so that her arms hug around his neck instinctively. She wonders how they're both going to fit inside her and grimaces at the thought. That's impossible.