Here's another story guys, before we start I don't own any Sonic characters. They belong to SEGA. I've also forgotten their age differences so here's the list. (Warning, this story will contain lemons in later chapters and I will try my best to pull up 1,000+ words each chapter.) Here we go.

Ages

Sonic: 28

Tails: 21

Knuckles: 30

Rouge: 27?

Amy: 25

Sally: 28?

Chapter 1: Invites

Everyone has grown up with not much to do except social things as a group and their regular hobbies but some have gotten more, bold if you catch my meaning. Some started drinking but never went too far, none of them smoked but gradually everyone got into adult things. Nothing changed much, Amy still loved Sonic, Tails has a crush on Amy, Sonic's dating Sally and Knuckles became close friends with Rouge not too close though. Nearing Tails' 21st birthday Sonic started thinking "What should I do for his 21st birthday? As a fully grown guy he's got to enjoy his extra activities." Sonic started thinking faster than he could run until he's interrupted by a knock on his house door.

He hoped it wasn't Tails as he was thinking out loud and hoped his ideas would be a surprise. His hopes came true as he was met with Knuckles. "Hey Soni…you okay? You look like you had seen a ghost." Knuckles asked with confusion. "Yeah, I'm fine just thinking about…" Sonic was interrupted by Knuckles "your best friends 21st birthday?" Sonic looked irritated at Knuckles by repeatedly cutting him off. "You can stop interrupting me, but yeah. I can't think of any ideas though. You have anything in mind?" Knuckles nodded and whispered something inaudible in Sonics ear. "Dude, you think that's a little far?!" Sonic screamed in shock. "Maybe, but if given the chance it'll get Amy of your back and you'll probably get a sneak peek at Sally." Knuckles said with the sinister grin on his face. Sonic pondered for a minute before he gave Knuckles an answer. "If this goes south you're gonna get it." Knuckles laughed at Sonics comment and went to pick up his phone.

Calling Tails first "Hello?" Tails answered. "Hey Tails, it's your bro." Sonic said nervously trying to think how to approach the situation he was in. "Oh hey Sonic, what's up?" Tails said as Sonic came up with an idea. "You know how your birthday is tomorrow right? Let's celebrate at my house. Could you call Ames so she could come?" Tails blushed as he had a crush on Amy. "Su-sure, ok." "Cool, make sure you're fully dressed." Sonic then said his goodbye leaving to call Sally. "Hey Sally, it's your little hedgy." Knuckles and Sally laughed hysterically while Sonic face palmed about what he just said. "Shut up Knucklehead. Listen Sal I have to ask you something." Sonic asked so quietly it was inaudible. "Wow Sonic, I didn't know you were a freak." Sally said playfully. "It was Knuckles' idea." Sonic pouted. "Who said I disapprove? I'm in, see you tomorrow." Sally said as she hung up.

After Tails hung up with Sonic he hesitated on calling Amy but he did. "Keep calm Tails, she's just a girl." Tails said to himself trying to calm himself down. "Hello, this is Amy Rose speaking." she said so calmly making Tails more nervous. "H-hey Amy, its Tails." as he spoke he slowly calmed down. "Oh hi, ready for your birthday tomorrow?" Amy asked. "Yeah, listen Sonic called me and said the party will be at his house and to come fully dressed." Tails said with confusement. "Ah I know what he's up to; I've been waiting for that day." Amy said with excitement. "Really? What is it?" Tails asked wondering if she knew. "It's a surprise, just wait and see. I think you'll like it." Tails knew now that she knew, he just kept wondering what it was.

Back at Sonics home Knuckles decided to call Rouge to see if she's in. "Hey Rouge you there?" Knuckles heard wind in the background. "What are you doing?" Rouge thought of a joke "Oh I'm just flying around searching for gems, maybe a certain emerald on a certain altar." Knuckles grew red with anger. "YOU BETTER NOT TAKE THE MASTER EMERALD!" Rouge laughed at Knuckles "I'm just kidding; I'm on my way to a cave rumored to have a huge diamond. Anyway why'd you call?" Knuckles calmed down and gave the same answer Sonic gave. "Oh Knuckles you dirty boy. Fine but only because it's his birthday. We'll see if anything goes further on from there." Rouge answered. "Remember to dress up, not dress down." Knuckles said while Sonic laughed. "What's that supposed to mean?!" Rouge screamed over the wind. "Oh nothing." As he hung up Knuckles laughed too. Rouge said to herself "Jerk."

Sonic asked Knuckles "You think that's enough people?" Knuckles grinned at Sonic and answered. "Definitely." "Ok good, I don't want any more people. It was tough asking them that question." Sonic said with relief that it was over. "Don't be a wuss, you don't see me complaining." Knuckles said trying to instigate Sonic. "Get out before I beat you out." Sonic joked but was serious too. "I'm going on a run to pass the time." "Yeah, I gotta see if Rouge was serious about the Master Emerald. I'll see you around Sonic." Knuckles said as he left.

The Next Day

Tails is working on his Tornado when he gets a call from Sonic. "Hey Tails, its Sonic. Be at the house around 9pm, yes I know it'll be a little late but me and Knuckles need time to get the stuff ready and plus that'll be the best time to do what we have planned." Sonic said in a hurry running to buy what was needed. "Ok, see you then." Time practically flew as it was almost 9pm and Tails was one his way. As he opened Sonics door everyone screamed surprise and Knuckles set up a table. "Now can you tell me what's going on?" Tails asked with low patience. "Yep, Knuckles set up a table while I have cards and poker chips." Knuckles looked at Tails who was fully dressed with a yellow hoodie and his regular shirt with navy blue jeans and his normal shoes as was everyone else in full clothing. "Good that you took our advice. You know how to play Texas Hold'em?" Tails nodded. "Good, now let's play some" Sally, Amy and Rouge said "Strip Poker!"

Oh boy, I'm going to hell for this. Anyway this was over 1,000 words and imagine what happens next. You'll know in 3-4 days. See you then.