How did this happen? (Error X Reaper sans)

Chapter 4

There is some lime this chapter if you want to skip it you can

It had been a few days since Error had called Nightmare about his brother. And he thought that Nightmare actually might not come. But of course later that day during the daily cuddles with Reaper he heard a loud knock at the door.

He opened it and it was Nightmare with a large naga at his side. "Error my old friend good to see you how ha-" suddenly Nightmare gets cut off by something in the corner of his eye. "Error what is a Black Reaper doing In your house." Nightmare said his voice blank.

"Oh don't worry that's just Reaper he's my naga." Error said casually. Error let Nightmare and his naga Cross into the house and let them get comfortable. Cross was cautious of the naga but eased up when reaper dragged him into a makeshift nest near the heater.

"So Error do you know where he lives?" Nightmare questioned. Error nodded and poured nightmare some more tea to calm him. "Yes I do Nightmare everything is fine I promise you'll get to see him." Error chuckled.

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Nightmare was a nervous wreck. He was finally going to see his brother again after all these years and nothing would go wrong. After he and Cross got relaxed and got some rest they were ready. Little did they know Error had already planned something for them.

When they pulled up at the house and Nightmare rang the doorbell he wondered if Dream would even answer. But he did and when Dream saw him he gave Nightmare a big hug. "I'm sorry I ran off like that brother." His little brother said as nightmare hugged back.

"Error probably told you about me?" Dream said with a chuckle. Nightmare nodded and started to catch up with his little brother all the while his naga was checking him out. Dream said that was because he was curious but it felt different than that.

"Would you like some tea brother? I got a new blend just for you!" Dream said with a happy smile. Nightmare nodded and relaxed on the light yellow sofa. All the while he watched Cross and Killer tussle and play. When Dream came back he gave Nightmare the tea and cautioned that it's still quite hot.

Nightmare was enjoying his visit with his little brother and was even thinking of moving back. Nightmare finally took a sip of the tea and it had a slight bitter taste but nonetheless he drank every last drop. Him and Dream were still talking and having a wonderful time when he started to feel quite warm.

"Oh my dream can you turn the heater down a little it's getting quite hot in here." Nightmare said while starting to lightly pant. While he tugged on his collar Nightmare noticed that the nagas were gone. "Dream where are the nagas?" He asked. "Oh brother they have been gone ever since I gave you that tea! My little naga filled cross in on the plan and they have been having quite a bit of fun while waiting for you." Dream said with a sinister chuckle.

"P-plan? wh-what plan are y-you t-talking about..." Nightmare stuttered out. Starting to feel hotter. Dream just gave the same sinister giggle and called out Killers name. Soon the naga slithered out and relaxed in his living room nest. Nightmare started to feel smaller weaker even as the hot feeling increased. He tried to stand up but ended up falling to the floor with a loud THUD! "Oh Nighty I'm sorry we had to do this but you always seemed more naga like to me."  Dream laughed

"W-what do y-you mean... h-hot... itssss all ssssso hot..." Nightmare panted. Everything was so overwhelming it hurt to be this hot. After a few more agonizing minutes of being overwhelmingly hot Cross slithered out of the hallway. Killer talked to Cross, Nightmare didn't know how he knew this he just did. Killer then moved to Nightmare and slowly took his sweater off the feeling of fresh air felt blessedly cool on his aching hot bones. Then Cross a scary looking yet very timid naga took off Nightmares yoga pants and boxers.

"Oh Nightmare look at you! Your starting to look perfect I'll go in the other room and let these two make you a bit more relaxed.~" Dream said with a grin. Killer hissed something at Cross who nodded and went to the kitchen and brought back a potion bottle. Killer uncorked it and put a few drops in Nightmares mouth making him shiver from the bitter taste. Killer laughed and started to rub Nightmares back which made him significantly relax. "Sssso good pleasssse more..." Nightmare begged. Cross put Nightmare on Killers tail and started to pet Nightmares head.

Just as things started to relax he felt his legs start to meld together. Nightmare obviously freaked out and tried to crawl away but killer kept him in place gingerly massaging nightmares shoulders. Cross then started to wipe away tears streaming down his cheeks. Nightmare didn't even know he was crying. After half an hour of struggling Nightmare had a tail like a nagas but the scales had yet to grow in. So killer added a few more drops to nightmares mouth to make the scaled grow in faster.

Then Nightmare blacked out.

When he woke up he was being cuddled by Killer and Cross. "Good morning shooting star." A husky yet slightly annoying voice said. When Nightmare looked up to see who it was he saw Killer smiling down at him. Cross gave a small trill that Nightmare understood for 'good morning'.

"I'm still sorry I did this but killer wanted another mate and when Error called me the other day we made a plan to do this. And you did say you wanted to move back here so consider yourself a permanent resident Nighty welcome home." Dream said with his usual cheery manner. Nightmare was still very sluggish but he decided maybe being a naga and getting all of this love wasn't so bad after all.

And as for Error and Reaper there was nothing too interesting about their day. They just cuddled and relaxed together being a happy pair.

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