Not long ago, Sonic was kept awake at night by a deep fear of something forthcoming. He had initially been afraid of the incubus who had appeared before him, afraid of being raped. Now, he laid on his hammock completely at ease, his mind filled not with fear, but love.

It turned out that the demon who came for him was not the type to rape innocent mortals in their sleep. He felt genuine love for the blue hedgehog. And in so little time, Sonic had fallen in love with the incubus, comforted by his affectionate kisses and cuddles. Knuckles had brought Sonic to his room, and the two consummated their relationship then and there.

Since then, Sonic had been very hopeful-no, positive-that his demon lover would return for him. And something told him it was tonight.

Sonic wanted to be awake for when Knuckles arrived, but he was quickly becoming drowsy. Despite his efforts, he fell asleep, thoughts of Knuckles lingering in his mind as he did.

"Did you miss me, my love?"

Those were the first words Sonic heard as he woke up. He opened his emerald eyes and was greeted by the wonderful sight of his demon boyfriend. Knuckles knelt down to the hedgehog's level and kissed his cheek.

"Of course I missed you." Sonic replied. He sat up, and the two began a passionate make-out session. There was much desperation behind their kisses, much fiddling with their tounges, wanting to take in the taste of each other's mouths. Sonic pulled away slowly, his face flushed.

"Oh, Knuckles, I love you so much." he said. "I want us to be together forever."

"Me, too, love." Knuckles said. "That's why I came to you tonight. I have a way for us to always be together."

"Really? What is it?"

"Come with me. I'll show you."

Knuckles took Sonic's hand and helped him to his feet. The dark red wisps transported them to a grassy clearing. A thin layer of clouds covered the full moon, but it looked like its light was about to break through at any moment. Lit candles formed a ring on the grass, the circle itself emiting a white glow.

Knuckles led Sonic to the circle and laid him down in the center. As the couple made out, the light from the circle and the candles began to change, turning a golden color. Knuckles broke away from the kiss then.

"If I make love to you in the circle on the stroke of midnight, you'll become an incubus, too." he explained. "And we'll truly be together forever."

"Let's do it, Knuckles." Sonic almost begged. "Anything to be with you forever."

Happily complying, Knuckles shifted so he was laying down, with Sonic on top of him. The hedgehog positioned his tail hole over the echidna's already-hard member, and this time the penetration wasn't as painful, though it was still a bit uncomfortable.

Sonic gently lifted himself up and down on Knuckles' member. The first time they had done it, the sensation was painful for the hedgehog at first, before gradually becoming enjoyable. Now, there was no feeling of pain or discomfort from the mortal, only pleassure. So much, in fact, that he was already moaning.

Knuckles sat up and took charge thrusting now. Sonic wrapped his legs around his lover's waist, kissing him passionately as he did.

"Ah...Kn-Knuckles..." Sonic managed to get out between moans. "I...I love you."

"I...love you, too...Sonic." Knuckles returned breathlessly.

The incubus drastically increased the speed of his thrusts, almost like he was desperate to transform Sonic. Their moans, their kisses, their thrusting-all of it became more and more passionate and intense. And showing just how much they wanted to be together.

"Knuckles, I...ahh...I'm gonna-" Sonic moaned.

"M-Me, too, Sonic." Knuckles replied. "Let's...hah...let's do it together."

At the same time that the moon's light broke through the clouds and shone down on them, the lovers released their seed together. And Sonic began to transform.

His fur turned from royal blue to a rich navy, streaked with midnight black. His eyes went from emerald to jade. His brown neckerchief turned into a black scarf.

Sonic had become an incubus.

The hedgehog marveled at his transformation, but then noticed he and Knuckles were covered in their seed. They laughed softly at this, then cleaned it off.

Knuckles bridal carried his newly-transformed lover. "Now we'll really be together forever." he said lovingly.

Sonic rested his head against Knuckles' chest. "I love you." he said.

"I love you, too." Knuckles replied.

And the demon lovers shared one more sweet kiss, finally truly together.

For always.