Y-Yeah... [Yamaguchi doesn't offer anything else up yet, less because he wants to hide the truth from Tsukishima as that it's cringingly difficult and awkward to bring up who was with him last night without any context. Yamaguchi hasn't been texting Oikawa much longer than a couple of weeks, hardly long enough for the younger boy to usually invite someone over to his house even as a friend.]
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...Um...you hungry yet, Tsukki?