“Ahn! Z-Zero!”

Another loud slap rings out through the room, and Kamui's body pitches forward. His ass already stings with pain--it's a cruel, perfectly executed punishment designed to leave a red handprint now, and an embarrassing inability to sit in the coming days.

“Beg, Kamui.”

His voice is rough and low in his throat, practically a growl. He winds back to deliver another blow to Kamui's stinging rear, and his thick cock slides out of him. Kamui whimpers, desperately trying to press against Zero's hips.

The older man laughs, and the ring tightens around Kamui's cock. “What did I say about cheating, Kamui?”

A shiver runs down Kamui's spine, and he closes his eyes, steeling for another blow. “Zero... please, let me cum...”

Zero steadies his hand and slowly eases into Kamui. Zero's cock stretches him, but he's grown so used to this mixture of pleasure and pain that is registers as nothing but ecstasy.

“Gods, it's so good. Zero, please...! I can't take it anymore!”

Zero laughs, rearing back to lay another stinging slap across Kamui's ass as he fucks him relentlessly. “Kamui, you're cute when you beg. If you tell me that you love me, I might let you get off easy this time.”

Zero leans forward, wrapping one arm around the shorter man's waist, and using the other to support himself. The new position allows a deeper angle of penetration, and soon all Kamui can do is gasp breathlessly, trying to press his hips weakly back against Zero. His teeth scrape along Kamui's shoulder, a self-satisfied, sadistic smile pulling at his lips when it evokes a shiver from the man beneath him. Kamui tugs desperately at his needy cock, torn between hopelessly jerking himself off, and pulling at the throbbing ring attached snugly around the base of his length.

“Zero, I'm... I can't...! Ah! Ah! I love you! I love you!”

The other man ignores Kamui's desperate cries beneath him, and sinks his teeth into Kamui's shoulder. At first all he does is suck, drawing blood to the surface and creating a conspicuous bruise. After satisfying himself with covering the younger man's neck with bite marks, he sinks his teeth deep into Kamui's shoulder, this time with cruel intent. It draws a response from the limp and quietly crying boy beneath him, who calls out in what sounds remarkably like pleasure.

Zero runs his tongue over the sore mark, lapping at the blood that pools there. “Do you want to cum, Kamui?”

Kamui nods in furious desperation, keening as Zero wraps a hand around his cock. The deft fingers fiddle with the vibrating ring at the base of his shaft, and his body jerks beneath Zero's. “Zero! Hn! Ah!”

Zero pulls out of Kamui suddenly, leaving him shivering in a pool of his own sweat. All he can do is whine weakly, his own cock still jerking and straining as he pushes his ass towards Zero.

The larger man grins, pulling Kamui off of the bed and onto the ground. “Do you want to cum?”

Kamui nods furiously, so far gone in his desperate chase for pleasure that his mind is almost blank.

Zero smiles. “Good. Now get on your knees and come here.”

Kamui complies without any hesitation. Zero grabs him by his hair, and hauls him up onto his cock. Kamui's gasp is muffled by Zero's girth forcing its way between his lips, and he can only manage a strangled cry. His weak and lust-overpowered body are no match for Zero, and he finds himself being used like a toy as Zero sates himself with his mouth. His body is nearly limp, head rising and falling as the tanned man forces him down onto his cock.

Zero's hand in his hair tightens, and his eyes squeeze shut as he begins to thrust into Kamui's mouth. “Hnn, Kamui! You're mine! You belong to me!” He forces his way down Kamui's throat, too far gone to notice or take pleasure in the muffled sounds or tears that run from Kamui's eyes.

“You're my possession! Your body is mine! Kamui... don't look at anyone else. Don't think about anyone else!”

With a final thrust, he slams his length into the younger man's mouth, then pulls out and allows his seed cover Kamui's face with long, sticky strands. "I love you, Kamui," he says, panting.

His hands fumble over the younger man's to pull the tight ring off of his cock, and bring Kamui to his climax. It takes only a few seconds for him to shudder and finish. After he does, he crawls up onto the bed next to Zero, his eyes red and swollen, body shaking and covered in bruises. Zero takes him into his arms, and presses his head to Kamui's sore and bleeding neck.

“Shhhh. It's okay. With my filthy heart, I love you. More than anyone else.”