(Warning: Smut. Don't like then don't read)

Seth: "So you have both parts? Like, male and female parts?"

Stello: "Well, I suppose so yes... but they function differently to yours.

Seth: "Oh right. So like, you can't get pregnant?"

Stello: "... Do I want to know what that is?"

Seth and Stello had been boyfriends / matesprits for a sweep now in troll time and they both had grazed on the subject of what anatomy was like but for Seth, he was so curious and almost turned on as to what his boyfriend could be hiding from him and Stello wouldn't admit it to anyone but he was also starting to grow curious as to what it felt like to pail with a human. Every time Stello brought up the thought in his mind, his cheeks would flare and he would try to stop thinking about it.

Seth: "So.. are we ok to call or? We can put it off again. We don't have to. I'm comfortable with whatever you're comfortable with :) "

Stello looked at the message before looking at his camera. He gulped, his hands beginning to shake but he nods to himself realising that his boyfriend wouldn't do anything that would hurt him nor would he make fun of him.

Stello: "Ok"

Was all he could reply with which prompted the box to pop up requesting a video chat. Stello quickly accepted, immediately feeling more calm at the sight of his dorky boyfriend. His cheeks started to flush when he realised that Seth wasn't wearing his usual shirt and jacket but was rather topless. "Hey my muse" Seth said, sounding cheeky as if he knew what he was doing. Once Stello started to get use to the sight, he was confused. "H-Hello.. why is your chest like that?" Seth couldn't help but already know what Stello was talking about. "You mean my nipples? Well when humans are inside the womb; the female anatomy, they all start off as women before the baby starts to be fed testosterone which turns the body into a man. They basically show what I use to be" Seth explained. Stello's eyes widened at what he was hearing, surprised as to how similar they were to grub scars. He took a deep breath as he took off the top half out his outfit to show his grub scars. "They sound like grub scars..." Stello admitted but Seth was more busy being proud of his boyfriend being more open, aka taking off his top.

"Are we really going to go all the way?" Seth asked, ready to hear rejection from Stello like he did millions of times before but he respected that and always understood. "...I want to try" Stello admitted and Seth just nodded, smiling supportively. "Really? Well I could start first if that he-?" Seth said before Stello interrupted "No.. I mean, I was hoping to maybe do it together. It would make me feel better about it" Stello stares at the floor, his heart racing a mile a minute. "Of course love. You can still turn it down if you don't want to" Seth said as he moved away from the screen and Stello followed his actions. Off camera, they both took off any remaining clothing they had on. "You count us in" Seth says, biting his lip gently as his heart was also racing. "Alrright... 3... 2... 1" Stello counted down and on 1, they both moved in front of their cameras to show off their lower bodies.

Stello started in confusion compared to Seth who was staring in awe. Sure he was confused but he also thought it was very interesting. "So how does that work?" Seth asked, breaking the silence. Stello blushed and looked down, explaining how a bulge would work and where the nook was. All the while, Seth couldn't help but feel blood rush as Stello explained and; once he was confident enough, showed off. Stello stopped when he realised the boner that Seth had gotten. Seth didn't hold back in explaining what it meant which caused most of Stello's face to heat up and he couldn't help but feel his own arousal too. His bulge wriggled about, seeking pleasure. "Should we see how we get off then?" Seth asked, hoping that Stello would say yes which was the answer he got. Seth sat down in his desk chair, far enough from the camera so Stello was able to see everything. Stello bit his lip and sat on the floor with his legs spread in front of the camera. He couldn't believe what he was doing as he pushed his bulge into his nook.

His bulge taking on a mind of it's own started to thrust in and out which caused Stello to cover his face, obviously embarrassed as to what he was doing in front of the camera. He started to worry if Seth was thinking it was too weird or strange until he suddenly heard a moan from the screen. He moved his hands from his eyes to see Seth jerking himself off, his eyes fixated on the screen in front of him and a blush on his cheeks. Stello continued to moan under his hand as he continued to fuck himself in front of his boyfriend. Once he started to get use to the whole thing and even feeling himself gather more pleasure from watching Seth and imagining that instead it was Seth fucking him. With the thought stuck in his head, he closed his eyes and removed his hand from his mouth to try and support his body. "S-Seth~" Stello couldn't help but moan, opening his eyes to look at the human jerking off in front of him. Hearing Stello moan caused Seth's body to shiver and he could feel a twitch from his hand. He continued to jerk himself off as he watched his matesprit panting and moaning for him. "Stello~" Seth moaned with a slight smirk, knowing what it would do to Stello.

Stello felt his bulge quicken in pace and power, causing him to throw his head back before his bulge pulled out and caused him to spill his genetic material everywhere, including on his chest with Seth finishing not too far behind. They both panted, staring at the screen before Seth smiled, moving his chair back to the desk. "You were so sexy my muse." Seth explained, cleaning off his hand. Stello couldn't help but smile, shutting his legs and seeing that they would still be the same after what just happened. "You were really sexy yourself" Stello replied. He felt closer to Seth since he showed a side of himself that he would never show anyone else. "I love you." Seth said, gently blowing a kiss to his camera Stello returned the action. "I love you too."