Undertale is own by Toby Fox

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Author p.o.v
You are not an ordinary being as you are a shiba inu that you are happy to anyone that you meet as well you are best friends with asrial (sorry don't know what to put a female name ) that both of them did'nt know as they both have a secret crushes towards each other that they want to tell to one and another their feelings .

You are walking to asrial mansion that you hoping to spend time with her

Y/n: mmm i can't wait to spend time with asrial today hmm i womder what we should do for the whole day.

You smile widely as you kept thinking what to do with asrial that you did'nt know as you walk even more that you arrived at her mansion .

You shake your head as you stop thinking that you see asrial mansion that you stop a bit

Y/n: woah all that thinking that did'nt make me notice that i arrived here quickly

You chuckle a bit to yourself and walk towards the frontdoor as he gently knocks on the door.

He smile while waited for the door to be open but after a while that he is a bit worried that asrial did'nt open the door that he slowly walk towards the door and gently open the door .

Y/n: umm hello asrial? Are you in here?

You said with a low tone as hearing no one answer it that you walk inside and close the door gently that you look around in her mansion that it is huge

Y/n: mmm man asrial mansion is huge she is really cool

You said as walk around to look for asrial at the lower floor of the mansion that you search and search but she is no where to be seen

Y/n: hmm she is not here hmmmm maybe she is in her room

You head to the stairs as walk upstairs to her room and look around to find her room that you see her room that slowly open a bit

Y/n: hm?

You walk towards to the room and slowly open the door to see what asrial is doing , you see she is on her bed sleeping that you know why she didn't open the door just now

Y/n: huh she fall asleep? Hmm no wonder she didn't open the door just now. She could have told me i can come late .

You slowly walk inside her room as you see her sleeping soundly that as you see a big hand pump with a green hose , as you make a naughty grin that you have an idea

Y/n: hmmm i think it could work

You went to grab the two items as grabbing them slowly as not to wake her up

Asrial : zzzz zzzz

Y/n mind: ok i should be fine i can't make her wake up if she wakes up i am doom.

You gulped with nervous as hoping this plan will work

As you slowly walk towards asrial that she still sleeping that you connect the hose to the hand pump as you smirk with a bit naughty , you slowly remove asiral lower clothes as seeing her womanhood that you smile widely a bit

Y/n: this should surprise her hehe

You slowly slid the hose into her womanhood that asrial groans softly in her sleep that she slowly shrugs a bit .

You sigh relief that you look at asrial sleeping again that you nod to yourself as start to pump her insides that you make that naughty grin while pumping more

Y/n: hehehe she will be surprise of this

You said while making a naughty grin as you think about asrial belly grow huge that makes you felt naughty .

As you kept pumping into her stomach more that asrial slowly open her eyes as she felt her stomach is growing for some reason that makes her a bit horny that she opens her eyes to see you pumping her stomach

Asrial mind: y/n? Mm how does he know i like this~ hmm i must know and i think its time to trap him when the time is right~

Asrial smirks as you pump even more into her stomach that you did'nt know asrial waited for the right time to get you.

Asrial smirks as it is time that she grabs your hand as you eyes widden and see that she is awake that she pinned you to her bed as you being pinned by her inflated belly that you blush seeing this

Y/n: a-asrial h-hey

Asrial:oh~what do you think your doing hm~?

Y/n: u-umm i- i was just p-pumping y-your stomach j-just to surprise you cause you sleep soundly just now .

Asrial: my my how naughty of you y/n~

You blushes even more as she smirks more

Asrial: but do you know what~?

Y/n: hmm w-what is it asrial?

Asrial: you think i would say stop pumping me ?

You nodded with nervous more

Asrial smirks more as she looks at you

Asrial: pump me more!

Y/n: wait really?

Asrial:yes y/n pump me!

You blushes more that you see in her eyes that it is filled with love and as well that you start to pump into her that her belly started to grow even more that you still afraid and a bit excite at the same time seeing asrial like this.

Asrial moans softly as she felt the hose keep pumping more air into her  that she smiles more as she is slowly getting horny .

As she slowly take off her clothes as well take off your clothes that you eyes widden a bit of what is going on

Y/n:a-asrial? What a-are you doing

Asrial:ahhh ahh mate with me y/n!

Y/n: w-what ?

Asrial: i said it again mate with me~!

Asrial said while slowly rubs your manhood that you groan softly as well you pump more that asrial felt her belly is on her limit

Asrial: oghhhh~~i want to mate with you~!

Y/n: u-um are you sure asrial?

Asrial smirks as she slowly takes out the hose from her womanhood and slids her womanhood onto your manhood that she moans softly

Asrial: mmmm~~y/n~

Y/n: a-ahhh asrial are you ok?

Asrial:yes i am fine its just its my first time doing this with you~

You blushes

Y/n: what do you mean?

Asrial: latee no talk mate more~

Asrial slowly bounces on your manhood more that you blushes seeing her inflated belly bounce infront of you that you blushes more

Asrial: ahhh ahh~y/n~ahhh

Y/n: arghh y-your tighter even this is your first aghhh

Asrial: ahh ahh~i know it feels so good~ hehehe~  please don't stop~

She said while slowly bounces on your manhood that you see her belly grow more that you blushes as you kiss her belly gently that makes asrial blushes

Asrial: oh my~

Y/n:mmm~?

Asrial: you kissing my belly ~aww how cute ~

You blush even more that you kiss her belly even more that she smiles with a naughty look as she wraps her arms around your neck as look at you

Y/n: o-oh my

Asrial: mmm y/n~~y/n~

Asrial bounces more onto your manhood that you felt her insides slowly getting more tight that wrap your manhood as you groan softly

Y/n:ahhh ahh asrial your insides are so crazy tight ahhh

Asrial: ahhh ahh yeah~~y/n tell me do i look sexy~

You blushes as she ask that question while bounces on your manhood that you look away

Asrial; hmm~ well what is your answer i won't continue if you don't answer~

Asrial slowly bounces as she teases you that you blush more

Asrial: well~?

Y/n: y-you look beautiful and hot that's why i don't want to say it

Asrial is happy with joy that she knew you love her

Asrial: good y/n~ and you know i have a secret~

She bounces more onto your manhood

Y/n: what is it?

Asrial; i will tell you soon~~ now let's mate more~!

Asrial bounces more faster and harder onto your manhood that you groan even more as feeling her inside is even tighter that you look at her

Y/n: arghhhh~~aghh asrial your getting more tight

Asrial: feels good~ y/n please hold it~

Y/n: u-um ok i-i will

You said as groan more while seeing her breasts bounces more that you blushes more

Y/n: oh my asrial ahh~

Asrial: ahhh ahhh~~ y/n~

You groan as she bounces more faster that you felt your manhood going deep into her that you start to felt your manhood twitching

Y/n: ahhh ahn asrial if you keep tight like that i might cum!

Asrial: is ok y/n you can cum in me~

You blushes more when she said like that

Y/n: o-ok asrial ahh~

You groan more that she bounces more as you hold her hips while slowly thrust into her that she felt your manhood moving

Asrial: ahhh so good~~ ahhh

Y/n: mmm~

You groan more that you felt your manhood twitches even more faster that you look asrial with more blush

Asrial: y/n~

Y/n: asrial ahhh ahh~ i-i think i am going to cum ahhh

Asrial: mmm y/n hold it~

You groan more that she bounces  more onto your manhood that both of them felt the pleasure as you couldn't hold it

Y/n: i am going to ahhhh

Asrial moans as she felt you came into her while she moans loudly that both of them panted as she laid on top of you as you felt her belly is still on top of you that you blushes more

Y/n: man that was intense ..ahh ..so tired too.

Asrial: yeah but it is great i love it

Y/n : ahh yeah it is ...s-so asrial

Asrial: yes y/n what is it ?

Y/n: what were you going to say?

Asrial: well y/n when you first pump into me

Y/n: yeah?

Asrial: well it makes me feel good and naughty

You blushes instantly more that you look at her

Y/n: well i just think that since you are sleeping soundly that i make a naughty to pump your stomach but i did'nt know you love it

Asrial: well i do y/n i love it so much

Asrial said while hugging you while blush that you hug her gently as kiss her on the lips that she surprise you did that

Asrial:oh my~

Y/n: well a-asrial i don't mind your belly like that

Asrial: really? You don't hate it

Y/n: no

Asrial smiles widely as she smoothers you with her kisses that you blush even more

Asrial: ohh y/n i love you so much

Y/n: i love you too asrial no matter what

Asrial smiles as she yawns a bit

Y/n: you ok?

Asrial: mhm i am ok that wild mating make me a bit tired

Y/n: well why don't you sleep for a while

Asrial: mhm i will and then we can go mating again alright?

You chuckle a bit and kiss her cheek

Y/n: alright my dear we can.

You and asrial fall asleep while you smile being the warmth of her inflated giant belly that you did'nt mind . As time passes that you and asrial got married and have kids of your own that you and her are happy together even when they both alone time that both of them make love more even with her kink that you always happy to do it for her that you did'nt mind of her kink as you always will love her mater what .

Author note
Hey waddup guys its me here i hope you all enjoy the final chapter of the female various book 5 and this request and idea from a cool person ExelGraceWolf4001 go check that profile out so yeah i think that's it for today and also thank you guys for supporting the female various series it really mean a lot to me thank you everyone , well i will see you guys later peace out.