Grinning, Atsumu kissed his boyfriend, sliding his tongue into the other's mouth as he pulled his fingers out, then lined up his cock, and slid it right inside with a pleased sigh.

Osamu nuzzled against Kita's neck and yawned. "Go to sleep, 'Tsumu."

Atsumu buried his face into Kita's neck, let out a soft huff. "Fine."