(horrortale Sans x reader)

Sans was supposed to love only (y/n) but somehow he found it feasible to love another woman, such as Frisk.

I stained my lips with the still warm, red oozing blood,

No matter, how much time may pass I'll never forgive you ...

My Love.

The human woman walked down the hallway of the home she once shared with her beloved sister Frisk. Blood dripped from her lips as she licked the knife clean.

We were hiding away, it was late afternoon,

I remember the promise I made then with you,

The sweet lies that you told,

Oh those beautiful words,

were all destroyed because of her.

Frisk got in the way, but now she won't be causing anyone trouble anymore. Now it was Sans' turn to learn a lesson.

It's far too late for your 'I'm sorry's - I don't care about your regrets,

So sad for you I'm, not forgiving type,

It's time to say your goodbyes

Sans walked in the house to see Frisk's locket broken and dripping in the ever so familiar crimson fluid.

He ran upstairs to find Frisk's body tied to a chair with multiple stab wounds.

An eerie giggle echoed throughout the house.

"Hehehe, I guess you should have thought twice before cheating on me with my sister.

The silver knife gleams, brightly, as

I quickly move in,

Reality begins to fade out with sounds

of screaming - I can hear them

She raised the knife over her head but missed as he teleported away.

He ran to Toriel's home and took shelter there until morning.

Sans was startled when he heard another females voice besides Tori's.

As quickly as he could, he made his leave unnoticed.

I stained my lips with the still warm, red oozing blood,

No matter, how much time may pass I'll never forgive you ...

My Love.

Tori was met with the same fate as Frisk. Although bloody and gory actions are common here, this was unnatural even for the most murderous monsters. 

I watch drops of pure red, drip down from my knife,

and stain the pale skin recently warm with life,

Staring into dead eyes, and admiring the way,

they wavered still so emptily.

(y/n) watched the life drain from Tori's body. The girl looked in the mirror and saw how her once bright vibrant ___ eyes were now dull and void of emotion. Her pale pasty skin was stained red from her deeds.

It's far too late for your 'I'm sorry's - you know that you can't change the past.

The thing I killed, that filthy parasite - she was the reason we couldn't last.

The feisty girl that Sans loved was dead and gone. All that was left was the empty soulless husk that bears her features.

Just you and I here, alone, in a once empty room,

It's hard to breath, anxiety rises and the darkness starts to consume me,

Hey, if you're going ... to leave ... and not tell me why,

just know that I - will steal you away and that I'll never say goodbye,

She had finally cornered him in the ruins. He ran out of magic and was forced to travel by foot.

Circle you, circle you,

I dare you to turn around ...

She swung ripping his jacket in the process.

It's far too late for your 'I'm sorry's - I don't care about your regrets,

So sad for you I'm, not forgiving type,

It's time to say your goodbyes

"Please babe, I'm sorry. Can't we just reset and go back to how things used to be?"

"Tch, your apologies mean nothing to me"

The silver knife gleams, brightly, as

I quickly move in,

My vision ....begins to fade out with sounds

of screaming - I can hear them.

Sans yelled out as the killing blow landed.

I stained my lips with the still warm, red oozing blood,

No matter, how much time may pass I'll never let you go ...

My Love.

I love you ... very much.

As he faded to dust, she broke from the trance that bound her.

"Oh my god, Sans! What have I done?" (y/n) cried cradling his skull.

"There's my girl" he coughed touching her face with his bloody hand.

He turned to dust. She hit reset.

She exited the ruins and spotted the familiar cracked skulled figure standing at the bridge.

She lunged at him burying her face in the hood of his jacket.

He turned to her and smiled genuinely.......right before plunging his axe into the back of her head.

"Remember Sweetheart, karma's a bitch and so were you. If you truly love me, don't come back"