[Oikawa jerks back away from Yamaguchi's touch on instinct but manages to stop himself before pulling out of his grip entirely. Hopefully Yamaguchi didn't notice, or just thinks Oikawa must have more problems with other people touching him than touching other people. Which is basically the case. He has exactly one person he doesn't mind touching him no matter the circumstances and it's not Yamaguchi.
no subject
He smiles, maybe a little shakily.]
Why else would I ask for it, Yamaguchi-kun?