Note: Part 2

( Sin Alert Activated : Lots Of Sin, You Have Been Warned )

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Sans kept quiet at rest of the ride because he was flustered about earlier.

Eighteen minutes later, they arrive at their destination.

Sans and Undyne came out of the car, Sans observe the look of the house before going inside.

The house seems a bit smaller than your older house, Sans also notice that the their house looked like a fish and lizard combine.

Sans look confused at the look of the house but doesn't question it, he went inside.

probably magic . . ..

The house looks bigger on the inside than on the outside.

It was almost like your older house but bigger. [ i ain't explaining shit. ]

Alphys is sitting on the couch eating a cup of noodles while watching TV.

Undyne came up to her and scoop Alphys up, and started trailing butterfly kisses all over her face.

Alphys squeak and blushed furiously at the display of affection, especially in front of someone.

Sans seems a little jealous about them but he didn't show it on his face, wishing he could do the same with you.

Instead he just quietly took them a picture on his phone to send it to you . . . and secretly observing them how they give love to each other.

After that, Undyne lead Sans to his room farthest door of four rooms to the west.

The first room must be Undyne's and Alphys', with all the cute and cool stickers on the door.

Sans curiously knock on the walls noticing that their thick enough to block sounds, their soundproof.

Sans throw his bag on the bed and went back to their living room.

Sans sits on the couch by himself, the TV was playing some kind of anime, Alphys must be in the kitchen.

Sans fish out his phone and starting texting you, taking selfies of himself or pictures of the cute couple.

The couple walk back to the living room with Undyne carrying a tray of food, the tray is set down on the coffee table.

The tray was filled with . . . some sort of black rolls? That's what Sans thinks about them.

Undyne laugh at Sans confused expression, took one of the rolls and toss it in her mouth, chewed and swallowed it.

" This are sushi rolls, their just rice and fish or fruit . . . Dunno, depends on what the person likes, I guess. "

Sans took one but hesitates when he realise something.

" . . wait, your a fish but you . . you . . "

Undyne laughs at Sans horrified expression.

" Pfffhh, hahahaha! Yeah, I do. "

" but . . but . . isn't that . . cannibalism?! "

" It may look like it but not really, their not sentient. "

" so your saying that it's okay to eat a bitty that is not sentient then . . . "

" WHAT?! No! No, that's . . not- ugh! "

Alphys tried not to laugh as Undyne tried to explain Sans what she meant but was failing miserably.

Sans eat the sushi, tasting the raw fish in it, it's just like what he use to eat.

Well, they need lots of protein so he isn't the one to argue.

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Undyne and Alphys were excited about anime night even if they do this every night.

But since Sans is here, it felt different to them, like trying to say their secrets to someone they knew.

The anime night is about to start at a any moment, that means their just waiting for the popcorn to cook, and then, THEN! they can start.

The first one Alphys picked, was about some sort of a site, he didn't remember the title but he liked it even if it has lots of gore and dark themes.

Alphys was so angry about the creator not working on season two, and how great it was that it SHOULD be continued.

Undyne gush on how cute Alphys was especially how she passionately explain anime without stuttering.

Sans thinks that Alphys was just saying it's great because there are this two female characters who are best friends and almost looked like lesbians for each other.

The second one Undyne picked, was about reaping souls, Sans didn't pay much attention to it.

The couple decided that it was Sans turn to pick the third one.

Sans looked through their anime collection, seeing if something caught his eyelights.

Something did, the cover has a snake pictured in the cover.

Sans pick it and gave it to Undyne, Undyne and Alphys scan it a bit.

Alphys blush realising what it was and was about to return it but Undyne stopped her.

Undyne has a mischievous look, wiggling her eyebrows at her, Alphys didn't want to put it in but Undyne did it instead and played it.

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Sans hugged the couch pillow as he watch the anime with anticipation.

The girl, who was a researcher of plants and animals, got lost in the jungle, separated from her group.

The girl aimlessly walk through the jungle, not knowing where to go.

The snake, hiding on a bush, noticed the girl and is now resting on the bush he's hiding.

The snake carefully wrapped it's coils around the girl to not wake her up.

Alphys paused the anime and was about to turn it off when Sans complained.

" hey! why'd you paused that? it was just getting interesting . . . "

Alphys was about to explain when Undyne tapped her shoulder and said something to her.

" Alphy, let Sans watch it. Besides, he's a 'big boy' after all . . . "

" B-but Undyne! We k-know sh-shouldn't . .- "

" Come on, I wanna see how he reacts to it. Please, babe . . . "

" B-but what if ( Y-n ) f-finds out about th-this?! "

" Pssh, don't worry about it . . . "

Alphys hesitated, glancing at Sans and Undyne before presses the play button, flops back to Undyne's lap.

The girl gasped and woke up from the coils securely wrapped around her so she couldn't escape.

The snake moves his head between the girl's legs, inside her skirt and rip of her panties till they fall to the ground.

Sans flinch and blush as he heard the girl moaned as the snake licked her folds.

Sans gripped on the pillow tighten as he watch the scene unfold, unable to look away.

Sans felt his body getting hot for some reason, like he was in heat even it's today yet.

Undyne snickered at Sans expression, the lamia's eyes are wide and his face is almost looked like a blueberry.

The girl screamed and came at the snake's actions.

The snake then moved to position his appendage to the girl's entrance, inserted it.

The girl moans echoed through out the living room.

Sans subconsciously drool, purred and bit the pillow his hugging so tightly.

The girl was a moaning mess as the snake ram his appendage in and out of her.

Sans' eyelights turned to tiny hearts as he bit down hard on the pillow he's gripping. 

*RRIIIPPPP!!!*

Opps, he torn the pillow. The pillow's foam land on Sans' lap.

Alphys turned off the TV as Sans started to apologise for tearing their couch pillow.

" Nah, don't worry about it Sans. "

Undyne reassure him and winked.

Sans blushed, hoping she didn't saw what he was doing.

God, he was already like this after the day ( Y-n ) join him in the bath, he shouldn't have asked her in.

The couple and Sans went to their rooms and call it a day.

Sans opened his bag and pulled out the body pillow you gave him.

Sans lay in the bed, hugging the body pillow and try to get some sleep.

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Sans has been fidgeting on his bed, trying to get comfortable but he couldn't.

His been moving around trying to find a comfortable spot.

Sans just couldn't get that anime they watch out of his head and this hot feeling inside him just wouldn't go away anytime soon.

And the body pillow didn't help at all, it made it worst since it smelled like you.

Maybe he could just . . .

Sans moved to lay on his stomach with the body pillow underneath him, his coils wrapped around the rest the rest of the pillow he couldn't hug.

Sans comfortable now but he still can't sleep because the hot feeling is still there.

It's like it's in the pit of his stomach.

Like he just wanted to grind into something, anything!

Oh right, he's horny ( or in heat ). Mama Cry explain him about this before and how to get rid of it, he just forgot.

why didn't i think of this earlier!!!? i could've slept earlier!

Well, he wasn't in heat, but he's definitely horny.

He didn't want to jerk himself off because it was too tiring but he also wanted to sleep.

" *sigh* screw it, i'm doing it then. "

Sans blush and bury his face on the pillow, closing his eyelids and slowly grinds at the pillow.

Sans grips at the pillow, pulling it closer, feeling how soft it is, almost like you.

He inhaled deeply on the pillow, smelling your scent on it.

Sans started to imagine you underneath him, squirming, moaning, fucking you.

His grinds increase, panting softly as he felt his two appendages rubbing on the pillow.

" a-ahhh~ haahhh~! f-fuck~ "

Sans grins turned into thrusts as he whimpers, furrowed his bone brows, feeling the tingles of pleasure.

Sans moaned quietly, even tho the walls are soundproof, he doesn't want to get caught.

Thrusting desperately wanting to cum.

His body tremble as he felt himself close.

" n-nghaahh~ ahhh~! Mnnnhhhgg~! "

Sans bit the pillow and screamed in pleasure, screams muffled, his cum dripping from the pillow.

Sans passed out.

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A-N : Here's a 1500+ words chapter for y'all sinners ;3

Oh look, a very early update . . . >w>

Yes, Lamia Sans canonly ( i think? ) has two dicks . . .

And yes, they were watching the same anime . . .

This one's bad than the last one, am i right?

Well, you know the role. . .

Thank you everyone for reading, if you have any suggestions, tell me in the comments/tumblr if you want to, support me by simply sharing or voting this chapter . . .

If you think I'm having improvements or errors on my writings, you can tell me that in the comments/tumblr too. . . if you like . . .

My tumblr - https://deadanonymous2.tumblr.com/

For now boi~ :3