"Suck on it."

Rin's eyes went wide as Shiki had, seemingly without warning, whipped his penis out in the middle of a back alley his older brother had pulled him into. His pants and boxers rested at his ankles as Rin swallowed a lump in his throat.

"Wh-What? But…we're in public…a-and why?!" Rin cried as he glanced towards the street, where they could see some people still going by, any of which could see them.

"Because I said so. Now do it," Shiki instructed, grabbing Rin's head by the hair and yanking him forward, slapping his cock against the boy's cheek. "Don't bite, lick and suck."

"O-Okay," Rin said, a shudder running through him at the command in Shiki's voice. He reached up and grabbed the man's cock, watching as his face shifted ever so slightly. He swallowed the lump in his throat as he opened his mouth and placed it around the head of the boy's cock. As soon as his tongue touched Shiki's skin, the older man let out a gasp, though he then looked frustrated that he'd done so.

He still continued to hold onto the boy's head as Rin tenderly flicked his tongue against Shiki's penis, licking at his slit as he ran his fingers up and down the man's shaft. Shiki leaned against the wall as his breathing became ragged, his eyes rolling back slightly as he gyrated his hips, trying to push his cock deeper inside his mouth.

Rin choked slightly as Shiki slid in a few inches, but he quickly recovered and got to work, not even sure if he was doing things right. His swirled his tongue around his shaft, touching every inch of skin he could reach as Shiki began to softly moan. It was such a foreign sound, and was almost wrong coming from the man's mouth, but Rin wasn't going to complain. He greatly enjoyed the sound all the same.

But as Rin was going deeper, there was suddenly a shout from their side.

"Hey! What the fuck are you doing?!"

Rin, still with his brother's cock in his mouth, turned to see who was shouting at them, and saw three guys, all holding switchblades as they stared in horror at the display in front of them.

"Look at that girl. She looks so young. Disgusting pervert," one man in the back said, mistaking Rin for a girl, though he was right about the age.

"Leave us," Shiki said, seemingly all arousal gone from his face even though he was still rock hard.

"Oi, we own this alley, so you get the fuck out right now, or else-" the man in the front started, but he couldn't even get the last word out before Shiki pulled out his blade and, thanks to its length, sliced open the man's throat, spilling his blood across the ground. He gasped and choked as his eyes went wide, clutching his neck as he first fell to his knees, then the ground. His friends watched in horror as he twitched on the ground a few times before going still.

"You…you…!" one of the men said as he screamed and rushed towards Shiki. With another flick of his wrist, his hand was sliced clean off, splattering blood across both Shiki and Rin as he tried to scream again. Another flick, and he suffered the same fate as his other friend. The third, upon seeing the second man collapse, quickly turned and ran away, likely to get the police.

Rin was shaking, feeling the blood on his cheeks slowly dripping down. He tried to pull away so he could tell Shiki to run, but his brother grabbed him by the hair again and yanked him forward, plunging his dick so far down his throat that he gagged.

"Keep going," Shiki said, looking almost deranged with blood splattered across his face. Rin struggled to breathe and had to take a few moments to collect himself before he could continue sucking. Rin used his other hand to hold Rin's cheek, smearing blood both across Rin's face and his older brother's palm.

The dick began to pulse in his mouth as Rin tried not to focus on the dead bodies now to his right, almost certain someone was going to show up at any moment. He bobbed his head as fast as it would go, hoping and praying that Shiki would finish soon. He seemed close, as he began to breathe noticeably heavier, his chest rising and falling as his eyes began to roll back once more.

Thankfully, he did, and after only a few seconds, Shiki clenched his teeth, hissing as he came. Rin was overwhelmed by both the taste and smell of the cum sliding down his throat, and he once again gagged as Shiki held him in place, smearing the blood down to his neck. He held him until he had completely finished, leaving Rin feeling gross and weird as he finally felt freed, and began to cough.

"Good boy," Shiki said as he finally pulled his pants back up. "Now let's get going before there's trouble. We can clean up at the apartment."

Rin felt dirty in more ways than once as he stood up on wobbly legs. He glanced back at the two bodies, their blood pooling on the ground, and part of Rin wondered if Shiki killing them not not only been to keep them from talking or killing tjem…

But also for pleasure.

He swallowed the lump in his throat as he turned and ran towards his brother, his face and neck now caked with drying blood…

And scared as to why he now had a boner of his own.