He has been waiting for this for so long. He wishes he could pause time and enjoy the first taste of her forever.
Sakura pulls back but stays close. “Please keep me warm tonight.”
He kisses her again.
“Sakura, every night of my life if you want me to.”

“I'm sorry,” he says, “I didn't realize you couldn't resist the cold like I do.”
“It's fine,” she mutters quietly. “Although…”
“What?”
She pauses and tilts her head up to look at him. “My lips are still cold.”
He doesn't need to be told twice. He lowers his head and presses his lips against hers.

She is not tense and paralyzed by the cold anymore. She slowly melts over him, relaxing on his chest, basking in the soft warmth of the cave. The exhaustion of their travel seems to have crashed over her and his heart tightens as he watches her rest.

The heat in his core has nothing to do with his chakra or the fire next to them and he needs all the will power in the world to tame the ideas that bloom in his mind with each touch of Sakura's body on his skin.

Finally Sakura stops shivering.

The scent of her hair under his nose, the plump feeling of her chest resting against his, the soft moves of her stomach as she breathes, and her legs tangled with his to be as close to him as possible, everything is too much.

She pulls on his arm to get him to wrap it around her. For a moment she presses every inch of herself against him like her survival depends on his heat and his brain struggles to stay coherent.

She is only wearing her black sports bra and short mission shorts.
She hides her face in the crook of his neck under his jawline and he feels the cold of her nose and cheeks and the tingle of her breath. She slides her feet between his legs to warm them up.

She takes off her shoes, her top, and her skirt, and nestles closer against him to feel more of this delicious soothing contact.

“Sakura wait–”
Sasuke is pushed back down when Sakura crawls over him and lies on his chest.

She lets her hands wander on his shoulder and Sasuke hisses through his teeth when she presses her icy hands on his bare pectorals. Sakura needs more warmth. She wants to be surrounded by it. She needs it to seep into her body and her mind.

Just like she controls her chakra to store it in her forehead seal, he controls his to keep himself warm and, in this cave during a blizzard, he is perfectly toasty.
She caresses up his forearm and appreciates the heat.

“I didn't realize you were so cold, you should've told me.”
Sakura doesn't reply. She's too engrossed in the delicious heat of his skin and the comfort it's bringing her. She realizes it's not just his hand that is warm, it's his whole body.

She grabs his hand with both her hands to enjoy more of the heat. Without thinking, she brings his hand to her face to soothe the stinging bite of the cold on her cheeks. She closes her eyes and leans into his touch. It's pure bliss.
“You're freezing…” he whispers.

She tries to undo her top but she is still shaking and her frozen fingers can't bend enough to grasp the zipper.
“Sakura? Are you ok?”
Sasuke takes her hand in his hand. His palm is warm, and it's not just his natural body heat. The relief on her fingers is god-sent.

“Your clothes are keeping you cold,” he repeats with concern as he squats next to her, slowly to try and get her to react. “You need to remove them so they can dry and you can warm up.”
Sakura looks down at herself.

He removes his cloak and shirt and sets them to dry on a rock next to the fire. The dancing shadows of the flames on his muscular chest make Sakura's mind hazy.

She can't move her fingers or her toes and the tips of her nose and her ears are burning.
“Sakura?”
Sasuke is looking at her and talking but his words don't make sense to her. Her brain is a block of ice.

Now they found a cave to spend the night, Sasuke lit a fire, but Sakura is shaking so hard as she sits in front of it that she can feel all her bones rattle together. The cold penetrates her skin down to her spine like millions of needles.

Sasuke didn't seem bothered by the cold and she didn't want to ask him to stop so as not to slow down their progression.