Unwitting (SakuAtsu One-Shot)

A popular YouTuber has a few rumors swirling about him.
Is that random guy in his mid 20s selling onigiri the twin of Atsumu Miya?
Did Atsumu Miya have a wife?
Was that really Atsumu Miya at a wedding between two men?
Did Atsumu Miya cheat when he made multiple videos about his expertise in volleyball?
Was that all there was to Atsumu Miya?

However, none of the rumors covered something this famous man hid very well:
He was gay, and dating his teammate on the Black Jackals, Sakusa Kiyoomi.