Little twist there in the last chapter I suppose; again, I have no idea what to do with this...

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Severus gasped every time Sirius thrust into him in front of the Slytherin fireplace. He tried to stifle the outbursts; for a time he was biting his lip for dear life and blood gushed from his flesh to the floor. Sirius would flip him over and lap up the blood - like a dog. Actually, his animagus form's characteristics would reveal themselves powerfully when he was on the ground like this with someone. But with Snape, it was just too easy; the boy would hardly fight back. Occasionally he'd grunt for Sirius to stop but never made the motion to push him away. His wand was forgotten in his robes and he was completely defenseless.

Black wore him out quickly but kept going, taking Snape in his mouth and letting him claw at his back. Severus didn't want Black to now how much he enjoyed this, but he was the one to make the first move that time by inviting him into the hallowed Slytherin common room.

Sirius collapsed atop Snape and rolled over next to the fireplace. Severus curled up into a ball away from Black. He felt a hand at his hip and jumped up, scrambling to find his clothes.

"Going so soon?"

Severus managed to tug his pants back on but Sirius gripped him from behind in a tight hold. Severus tried to pull Black's arms away but he only held tighter.

"Didn't you like it?" he asked soothingly.

Severus' face flushed and he scowled. "Let go of me, Black."

Sirius immediately loosened the other and allowed him to finish dressing. He collapsed into the sofa he had resided in previously, dropping a leg over the side, arms dangling behind his head.

Severus could feel him watching him dress. "Get out of here," he hissed.

"You said there wasn't anyone here."

"There will be." He finished dressing and pointed his wand stiffly at Black. "Get out."

Sirius straightened up, slowly standing in his full glory. "Why are you so angry, Snivellus? You did want me to come in, didn't you? What'd you think was going to happen?" He went to pick up his clothes, quickly dressing, noticing that Snape couldn't help but watch him.

He wanted Black out, now. He couldn't believe he let himself come to this. He took Black to his corner in the library, he took him to the unused closet, he let him into the common room; they had shagged three times now, and every time he tried to resist, he couldn't stop. He didn't really want to stop, but he simply revolted at himself for doing this.

He tried to calm down: "Get out of here, Black."

Sirius simply nodded, giving Snape one of his coy smiles again and departed without another word.

-----

Session started up again without Severus seeing Black until a few days later. He was in a corridor snogging another random encounter when he heard footsteps. Sirius and the girl stopped, the girl peaking over Sirius' shoulder, scowling when she noticed Severus stop in mid stride and look at them. The girl whispered something in Sirius' ear, and it wasn't until Sirius stepped back that Severus realized the girl was the same one from the Great Hall, the one who hissed to Sirius, 'You like him, don't you?'

She slapped Sirius and began to stomp away, hissing back, "I really am going to tell your friends this time, Black." Slap. Sirius left a mark on the girl's cheek and slammed her back into the wall.

Severus was surprised in the least to see Sirius assault a girl like that. Why? Was he... who was he defending?

Sirius scowled, the girl evidently frightened, and grumbled to her, "Don't you dare."

"Or else what, Black? You wouldn't hurt me, would you? Don't make me go-"

"To who? You want to get me expelled now? Don't even think about it." He let her go and she scampered off down the corridor.

Sirius turned to face Severus who immediately looked away and started back off.

"Snape."

He swished around, "What?"

"Why do you care?"

"About what?"

"Me."

He snickered. "I don't."

"Yeah, you do. Otherwise you would've kept on walking."

Why did he care so much? Sirius immediately felt a tight pang of guilt in his heart to taking advantage of Severus. But, hey, that's what he meant to do in the first place, right? But what about Severus being a damn puppy and Sirius wanting to be the master? He was just aggravating himself.

"I really don't want to talk to you, Black."

"And why not?" He approached Severus who began walking again but took him by the arm. Severus again stopped and glared back at Black who let go.

"I don't..."

"What?... You don't fancy me? I have yet to understand you, Snivellus."

In a flash, Severus had his wand jabbed in Sirius' stomach. "And I you. Now, please, get out of my sight." In another swish, Severus took off, leaving Black surprised, disappointed, and slightly pleased. However, the small smirk that traced his lips soon disappeared and he punched his fist into the hard stone, profusely bleeding, thus deciding to see the nurse.

-----

Sirius ran into James later that night out near the lake. Severus was studying near by at the water's edge. Sirius glanced at Severus but decided against taunting him. James jumped up when he saw his friend approach, "Hey, Padfoot. Snivellus is over there, how bout some fun?"

"I would... rather not."

"What!" James was stunned. "What? Sirius, you-"

"Where's Remus?"

"Uh, he's...around. Sirius, you look tired, you ok?"

"Yeah, uh, have you seen some girl running around looking for me? Or saying stuff about me, or-"

"There was a crazy raven-haired girl with some groupies; they were looking for you. They seemed serious. And one told me something."

"Yeah? What?"

"Snivellus said something to you and you didn't do anything... Sirius?"

"Right.. yeah, look, if she comes by here again, do something for me." He started backing away, glancing over at Severus, who was completely oblivious to everything.

"Ok. What?"

"Don't tell her you saw me."

"Sirius- wait- you're scared of a girl?"

Still backing away, "A little, yeah."

"Sirius. Don't tell me she-"

"Was telling the truth, yeah. I don't need rumors, James!"

Sirius bolted off back towards the school, Severus standing from his place a few moments later, noticing Potter staring at him.

"What now, Potter?"

Shaking his head, James retreated back into the school to search for Remus. Severus again settled back down and took to his studies.