Authors notes: This will be the last chapter in this story, thank you for reading :) It has been a pleasure.
Chapter 10
Yukio held Rin tightly against him, uncertain what had happened. When Rin had climaxed, he had broken into flames, blue flames ingulfing them both in a warm light. Fear had gripped Yukio and he felt it like a tight knot in his gut. Rin was asleep now, his chest moving calming up and down in a regular rythm.
~What is going to happen now? You weren't supposed to loose control. Did I do this to you? Yukio sighed, pushing his thoughts to the back of his mind. There was no use in wondering now, it wouldn't change anything now. A noise effectively distracted him from the unpleasant thoughts. Was it... footsteps? It shouldn't be, it couldn't, it was a weekend, he didn't have any missions, and there had been no immediate alarms on his phone. Yukio frowned squinting at the doorway, he couldn't see anything without his glasses. He pried himself from Rins tight grip, putting on boxers and a t-shirt. He had just put his glasses on when he stood in the hallway, a gun expertly positioned on the stranger.
"Good morning Yukio" Mephistos happy voice making Yukio frown even more. He uncocked his gun, letting some of the tension leave his shoulders.
"What do you want?" Yukios tight words and obvious dismay made Mephisto smile wider and he nodded.
"I need to tell you something" He said, guiding Yukio away from the bedroom with a soft grip around Yukios arm. Mephisto had never done something like this, and it made Yukio nervous to say the least. Had Mephisto found out about their relationship. Did he spy on them? Yukio let the demon lead him into another room.
"I have noticed Rin has been acting different" Mephisto started. Yukio frowned even deeper, pushing his glasses back. He needed to hide his feelings. It seemed harder than it usually was.
"How do you mean?" He asked, ice coating his every word. Mephisto laughed heartily, ignoring Yukios hostile attitude.
"You mean to say he hasn't been hard and horny?" He laughed again loking at Yukios shocked expression. The tought hadn't even occured to him, but it all made sense. Rin being embarassed, having a hard on, in the most inappropriate of times. Loosing control, just to take it out on Yukio. The emotions swirling around inside him, almost made him gag, but he composed himself, knowing Mephisto was watching everything he did, and every expression he made.
"He has been acting strange, but I didn't think ananything of it" Yukio lied, the lie feeling easier, than the ones he had uttered to Rin. Mephisto raised a questioning eyebrow, motioning for Yukio to continue.
"He has been horny, being distracted in class, watching... Shiemi." Her name almost got stuck in his throat, it was true, before that strange session, when Yukio had finally asked about Rins erection, Rins focus had always been on the blonde innocent friend of his. Yukio felt the envy poking at his inside, trying to claw its way out.
"Yeesss.." Mephisto said, his voice thoughtful as he stroked his chin a theatric motion.
"She's a nice girl." Mephisto continued, ignoring Yukios pained expression. Yukio grinded his teeth.
"As I said it seemed like a regular crush, and I didn't think anything of it. Do we have to make precautions?" He felt some semblance of pride, when he noticed his voice held no trace of the hurt he felt inside. Rins feelings weren't real, and Yukio felt guilty. When the haze of Rins newly discovered mating instincts faded, he would no doubt feel regret, perhaps even betrayal. Yukios eyes sought Mephistos. He was still smiling goofily, and it pissed him off. Couldn't he be serious for even a second?
"If you haven't noticed anything as his guardian, it propably will not affect him as it does fullblood demons, but demons tend to mate for life." Yukio frowned, that made no sense.
"Satan didn't mate for life, he was with your mother and mine, and god knows how many others.." The argument seemed reasonable, it was reasonable Yukio told himself, he could not have bound himself to Rin forever. Rin would hate him, if that was true. Mephisto laughed clapping his hands like he was at the end of a show.
"You are exactly right!" he smiled, winking.
"But he seems very much like the one to find one and stay there for life. Perhaps it'll be that Shiemi girl, she's nice, don't you think?." Mephisto said, turning into a dog.
"But I'm not lying about his mating instincts kicking in, you should make sure, he doesn't seduce some unsuspecting student... Why else would I appoint you as his guardian?" he said walking away. Yukio stayed still, watching Mephistos retreating form. He didn't know what to do next.