[Curling his fingers against his back and dragging his hand up again, nails skimming skin as his hand comes all the way up along his spine and between his shoulder blades again, Oikawa moans, mouth open against Iwaizumi's throat when he starts moving again and all he can do is hold on and lap at the flesh he hasn't bitten yet. He wants to, his teeth tease like he is going to, but he doesn't - he just whispers Iwaizumi's name against his skin and relaxes the grip he has in his hair to stroke at his scalp.]
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