Originally written for an anonymous kink meme.
Saeki/Ryou
Sex on the beach.
Saeki ran a hand over Ryoh's stomach, feeling the smooth skin under his fingertips. Ryoh squirmed a little to get more comfortable where he lay in the sand with Saeki straddling him. With a smooth movement, Saeki tugged down Ryoh's pants and underwear to his knees and turned him onto his stomach. Ryoh glanced over his shoulder to look at him, then let out a low gasp as Saeki licked his fingers and slipped one into his asshole. He blushed and turned his face to the ground, took a deep breath as Saeki stuck in another finger and he coughed. Saeki tugged lightly at his hair and he bent back to look at him. "Wouldn't it be better to stand on your knees or something?" Saeki asked. Ryoh did as Saeki suggested – though it was really said as an order – and rose onto his knees and placed his hands flat on the ground.
When Saeki started moving his fingers in a scissoring motion, he hissed and his hands closed around some of the sand. "Alright?"
Ryoh nodded and Saeki pressed a kiss to his neck. Then he added a third finger, and purpusefully brushed a fingertip against Ryoh's prostate. A spark of white flashed in front of Ryoh's eyes, and he unconciously pressed against Saeki's fingers. Saeki smirked and pulled them out of Ryoh, who let out a whimper over the loss.
"Ssshhh.." Saeki wrapped an arm around Ryoh's waist and pushed down his own shorts and boxers. Wrapping a hand around Ryoh's cock, he felt that he was already dripping with pre-cum. He took it on his fingers and wet his own cock with it, then directed himself toward Ryoh's asshole. As he slowly pushed inside, Ryoh groaned and one of his hands slid forward in the sand.
Once Saeki was fully inside, he stopped to let Ryoh's body adjust to the feeling and took a hold of one of Ryoh's hands with his own now unoccupied one.
When he moved, he steered himself right at Ryoh's prostate, and when he hit it, Ryoh let out a loud moan. Saeki leaned his chest against Ryoh's back and smiled into his neck. "Good?" Ryoh bit his lips and nodded. "G—good..!"
He sped up and thrusted at a even pace, relishing in the moans every hit at Ryoh's sweet spot caused the black-haired boy to let out. He let out a low whisper into the others hair. "Ryoh..." Ryoh mewled Saeki's name in response and let out a shout that broke when he came.
"D—damn it.. Sae..." Ryoh groaned and shook his head. "I have sand everywhere."
Saeki snickered and pulled Ryoh close. "I'll help you wash it off later."
Ryoh frowned. "I bet you'll just be in the way."
Saeki just laughed happily.