It started off simply. They were outside, in a wide-open field, fire blazing around them, swords bared at each other. They were each waiting for the other to make the first move. They knew that the first strike would determine the victor. They stared deeply into each other's eyes, waiting patiently for that tiny spark that would give the other away. Inuyasha could hear his brother's heart beat within the roar of the raging inferno. He knew that he was about to attack, he could hear his pulse quicken with anticipated pleasure. He was playing the role that was most familiar to him when it came towards his brother. He was going to be submissive. He knew that he did not physically or mentally stand a chance against his powerful full-demon older brother; so instead, he decided to cut to the chase. He lowered his sword and was about to sheathe it when he suddenly attacked. Sesshomaru knew what was going on, he just wanted to toy with his meal before he ate it. He pretended to be oblivious about what was happening, even though a fool could see what was about to occur. He knew that Inuyasha was going to attack from the shift of his footing from defense to attack. That motion made things so painfully obvious that he was about to berate him about the errors he was currently making, however, he could see that Inuyasha was trying to make it seem like he had grown a brain in the last few decades, so he decided to keep up the farce. Also, the subtle twitching of his sword made things so blatantly apparent that he almost coaxed Inuyasha into attacking him immediately. Then the fun would end and the pleasure would start.
Sesshomaru immediately began to blush. Seeing his cute little boyfriend's sword twitch was the most tempting thing ever. Unfortunately, Inuyasha couldn't sense the mood.
"I'm on top!" he demanded.
Sesshomaru sighed. His lover was not the sort to beet around the bush. He was the type to plow straight ahead, even if he knew that he wasn't going to be walking for a couple of days. They had been fighting about who gets to be the seme though, quite frankly, Sesshomaru was getting tired of hearing his dog barking. Inuyasha always wanted more than he could chew, they both knew that Inuyasha didn't have the physical stamina to keep up with Sesshomaru needs, so he always took the seme potion. He didn't like getting rough with his pets, however, there was no other way though; he would have to re-train this mutt.
Sesshomaru could wait till Inuyasha became submissive. But that could take a long time and he didn't want to wait that long. So he decided to quicken the pace. He knew that Inuyasha wanted sex more than he did, Kikyou died a long time ago, he wasn't desperate enough to fuck an intellectual mud puddle or a whimsical reincarnation either. He wasn't going to fuck any humans, in fear that he would accidently impregnate them. He didn't want his child to go through the life he went through, especially over a one-time fling. He didn't know what would happen to the child if he had sex with a female demon and she got pregnant. Also, it would be weird to explain to the kid that daddy kills demons for a living and mommy kills demon slayers for fun. So his options were limited to jacking off or having sex with male demons.
Sesshomaru, on the other hand, was already fully satisfied. He had just had sex a couple of days ago. He liked being rough, sometimes too rough for the humans. He didn't care whether they were male or female, as long as he could come in them. He didn't really care for demons, they always think that they were entitled to something other than his body and that usually ruined the mood too.