Sans... has been interested in "someone" for a while now... they were really wonderful. They were always by his side whenever he was having a bad day. They were always there whenever he needed comfort.

They were someone who were always in grillby's. A precious "person" that looked great in red.

You were currently in grillby'z, well actually you were always there since you didn't have anything much to do in the underground besides trying to befriend the monsters of course.

You were always wearing red since you loved the color so much. You pour in some ketchup on the fries you just ordered and started to eat. Waiting for a certain bonehead.

The door on the front opened and you looked behind, seeing that it was...

Papyrus!!

(I bet you thought it was sans right? XD)

Papyrus came in slightly anoyyed and worried. "OH HELLO THERE HUMAN!!!" he said is his usual voice. "HAVE YOU SEEN MY BROTHER SANS?" he said looking around grillbi'z only to see his brother was nowhere to be seen there.

"I'm afraid I haven't seen him all day pap..." you said sadly. And papyrus looked disappointed for a second before shaking it off and returning to his usual cheerful way of acting.

"IS THAT SO HUMAN? WELL THEN I MUST GO NOW AND SEE WHERE MY BROTHER HAD GONE TO."

After that he left. But 15 minutes later, in a flash sans was on the counter sitting the chair casually, a lazy grin plastered on his face.

"Grillby, I'll have fries."

He said as he looks at your direction and you noticed his cheek bones become blue a bit. You thought he looked cute.

"(Y/n)... uh... could you p-pass me the ketchup..?" He said as his blush intensifies.

You nod firmly and gave the ketchup to sans. Grillby soon came with sans order and put in infront of him.

You expected sans to chug down the bottle of ketchup again but this time he actually just pour ketchup on his fries like a normal person would... that wasn't like sans at all. You thought maybe something was bothering him so you asked.

"Sans... what's wrong..?" He flinch a bit when he heard your voice and he slowly turned to look at you his skull still has a dark shade of blue.

"It's nothing..." he replied looking away, trying to hide his blush.

"Sans... I know something's wrong. Tell me...!" You said and noticed that your fries didn't have much ketchup anymore.

He stayed silent and didn't answer you.

You looked at him worriedly, you didn't really like sans in that mood specially when you hold deep feelings for him.

"Sans... you can tell me..." you said gently and you hear him sigh and placed the ketchup bottle close to you.

"I l-like... someone..?" he said a hint of confusion and embarrassment in his voice as he blushed blue even more. Your heart ached at what he said but stayed strong.

"I'm planning to confess to them... b-but... I don't know how..." He said looking down, avoiding your eye contact.

"D-Do you have any idea on how should I confess...? Or maybe I should never conffess to them?" He said silently sadness in his voice.

Though you hated the idea of sans liking someone you were still his friend. And you should support him.

"Well... sans, my advice would be just be honest and make the confession simple, and not too flashy and glamorous." You said giving him a smile.

"Y-You think... that'll work..?" He said now looking at you, but he still had a flushed face.

"I think it will. Whoever this person is, I know they'll like you back since you are such an amazing, funny, lazy, friendly, honest, (handsome) bag of bones."

Sans blushed and looked away, "thanks kiddo..." he said and teleported somewhere.

Once he was gone, you frowned and your heart ached. He liked someone and you hated the idea. 

You took the ketchup bottle again and pour ketchup onto and your fries and continued to eat it.

-time skip cuz too lazy to write-

The next day you walked silently to grillby'z, you were so sad and gloomy. You really wanted to cry, but you stayed strong and went to grillby'z waiting for a certain bonehead again.

"Grillby I'll have the usual." Grillby nodded and went to get your fries.

You stared at the kepchup that was infront of you. Red. It was a wonderful color well at least to you since you really liked the color red.

After a few minutes grillby came back with your fries and placed it infront of you. You thanked him and poured ketchup onto your fries as usual.

While you were pouring, somebody came in. And you stopped what you were doing and turned to the person still holding the ketchup bottle.

It was sans.

He was blushing so blue as he went closer and closer to you. You couldn't help but blush too.

When he was in front of you. He went down on one knee and looked at you.

You blushed at his actions and started to become embarrassed by his action.

"(Y/n)..." he said softly. The way he said your name made your flutter and caused your stomach to act funny.

"I want to tell you something important..." he said his voice so husky as it gave you butterflies in your stomach.

"(Y/n)..." he started and you gulped.

"Will you please..." this was it ypu were freakin out he's gonna say the words you were waiting and dreaming of  him to tell you.

"please... give me MY ketchup?"

"Huh???" You said in confusion as you didn't understand what he just said. You looked at the ketchup bottle in your hand, and gave it to him still confused.

He held the ketchup gently, love in his eye sockets. "Ketchup..." he said ever so gently. And on the other hand you were staring at him not knowing wtf is happening.

"I've loved you for so many years... you were always there when I was having a ruff day. You always comforted me by giving me your delicious juices..."

-your pov-

Holy shit wtf is happening?!

-no one's pov-

"Ketchup... you are my most precious item... " he said then started to chug down the ketchup in seductive manner. He keeps on sucking it, moaning non stop.

(*laughs* X'''D)

He hungryly sucks and sucks. What surprised you is that the monsters in grillby'z doesn't even care.

Ketchup started to drip down his jaw bone and his eyes were filled with lust. He had fifthy shades of blue on his face. Finaly he stopped to breath and looked at the ketchup so dearly.

"I love you my ketchup!!" Then he started to hug the ketchup tightly. While you just stared at him, with a "Holy fuk" face.

Then sans noticed you and grinned.

"What? You thought I was gonna confess to you? Get real, I know you're a filthy sinner who wants a bone in em'. And I wouldn't like a filthy sinner, and sorry but I love ketchup more than you kiddo."

-END?-

BUUUURRRNNNN!!!!

Meanwhile the author...

Holy shit... XD this is the best fanfiction  I ever made. XD no hard feelings guys! Please don't hate me for this.

But I ship sans and ketchup so hard!!! X'D