Posted originally on the Archive_of_Our_Own at https://archiveofourown.org/
works/53123.
  Rating:
      Explicit
  Archive Warning:
      Underage
  Category:
      F/M
  Fandom:
      Kingdom_Hearts
  Relationship:
      Kairi/Riku, Kairi/Riku/Sora
  Character:
      Kairi_(Kingdom_Hearts), Riku_(Kingdom_Hearts), Sora_(Kingdom_Hearts)
  Additional Tags:
      Action/Adventure, Adrenaline, Polyamory, Plot_What_Plot, Community:
      springkink
  Stats:
      Published: 2007-04-28 Words: 842
****** in extremis ******
by sister_coyote
Summary
     Tension rising.
The heartless closed in, a seething mob of red-purple-black that sucked at the
eye and made Kairi ache to her bones. She backed up until her shoulderblades
hit Riku's—not in an effort to retreat, but to make sure they were both
covered.
Some feet away, Sora made a frustrated noise. "I don't have time for this," he
said. "He's going to get away."
"Then go!" Kairi said. "We'll hold them off."
Sora hesitated, and Goofy gave her a concerned look.
"Just go!" Riku said. "We can handle it."
Sora's shoes pounded against the packed dirt, and then he was gone.
"We can handle it," Riku said behind her back, dry, amused, skeptical: "right?"
A sleek creeping thing, like a hybrid between a serpent and a moth, darted
forward, and Kairi brought her keyblade down in a flash of brilliant light to
cleave it in two pieces, which vanished like smoke. "Sure we can," she said.
They didn't make any progress—there was no progress to make: just to stand at
the threshold and keep the horde of monsters from passing. After a time it
became mechanical, routine: strike and slash, dodge, the splash of ichor from a
wounded shadow-beast, the pain when a claw sliced like a knife into her skin,
over and over, a drudgery of battle, until it was done and she stood heart
pounding, elated, exhausted but wide-awake. Riku lowered his keyblade and,
after a moment, let it vanish. She sent hers away in a coil of sparks like
fireflies and turned and hugged him, hard, because although she had learned the
use of a keyblade and the way to fight, she still worried for the safety of
Riku, and Sora. She could feel the long rangy muscles of his body, his back,
his shoulderblades under her hands: so different from Sora, who was not much
taller than she was, even now. But then they were shadow and light, dissimilar
and yet both, to her, necessary.
Then she pulled back a little and saw that she had left a smear of heartless
ichor and her own blood across his shirt. Her hand splayed over the stain and
she said, "I'm sorry, I—"
He began to laugh, sounding tired, sounding amused. "Kairi," he said, "I don't
mind the blood on you." He was looking at her, head bent, through his own
ragged-cut hair and she reached up to push his hair out of his face, got a
smudge of blood along the angle of his cheekbone, and he bent to kiss her and
stole what breath she had left.
She coiled the hand in his shirt, began to unbutton it, but he said, "I don't
think we have time to take off—"
"—right," she said, moving her hands to his pants, as he trailed his palms flat
down her hips to the bare skin of her thighs, then up again to push her skirt
out of the way.
His fingers hooked into her panties, and then he said, "I think right now I
might drop you," and sank to his knees, and pulled her astride him, into his
lap. She wrapped a hand around him, and he said, " . . . hhha, Kairi, I'm not
going to last long—"
"It's okay," she said, "neither will I." And it was true. She was full of
pressure like a stormcloud ready to let go its lightning.
She shivered and sank down onto him not very fast but not slow either. His
hands flexed on her hips and he rolled his head forward and made a little
noise, and she kissed him—pushed his hair out of his face and then pulled it
down so she could reach to kiss his mouth and his eyelids. He groaned and
rolled his hips and then bent his head to lick along the angle of her
cheekbone, lick away the thin splash of her own blood there, mixing with sweat.
The breath went out of her fast, a moan, a sob.
They could move together like this—together, if a little awkwardly, the flex of
his thighs and of hers, and her hair clinging sticky to the back of her neck.
"Kairi," Riku said desperately, "come on, Kairi."
"Yeah," she said, "almost," and pressed her open mouth against his throat as
she came and her body tensed and her hips jerked. The tension rolled out of her
all at once, and she melted against his chest even as he tensed more, making a
low noise. Riku's hips rolled again, and again, and his hands tightened hard on
her hips and he bent his head and finished.
She stayed there a moment, her arms around his neck, and then pulled him down
again to kiss the smudge of dirt on his temple and slid off him. It was hard to
get steadily to her feet, but she managed, pulling her panties up and smoothing
her skirt back into place.
"Let's go find Sora," she said, and Riku took her hand and got up as well.
"He'll be needing us."
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