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[Yamaguchi freezes in his seat. He manages, barely, to avoid hissing in a sharp breath of surprise that threatens to catch in his throat—there's been a subtle, perceptible shift in the air between him and Oikawa, like the older boy somehow sucked out all the warmth and cloying sweetness out of the room simply by dropping the "-chan" from Yamaguchi's last name. This is the Oikawa Tooru that defeated Karasuno with his team during the inter-high, leading them bravely every step of the way.

The same Oikawa who Yamaguchi had unconsciously pushed to the back of his mind over the past few weeks, after countless vexing and teasing text messages sent back and forth made him forget exactly how they came to know each other. Yamaguchi wouldn't let himself be intimidated so badly again, if he were met with this super-intense Oikawa on the volleyball court.

Here, though, it's the last thing Yamaguchi expected.]

Er...O-Oikawa-san? [Yamaguchi swallows, struggling and too nervous in the coming seconds to speak. He's not afraid of the change in attitude he sees in Oikawa, precisely; but Yamaguchi finds his skin is erupted in chills nonetheless simply at the look in the setter's eyes.]

...You, ah...said yourself on the phone, Oikawa-san. [A lot.] ...That you were a nice guy...

[And were going to prove it to him, no less.]