An Internal Inferno

Chapter 3: Needing Energy

(CW: Stuffing and talk of popping (For example, "You look like you might burst!" No actual popping I assure you.)

Grillby woke up to the sound of a toilet flushing. He sat up in bed, wiping the sleep from his "eyes."

"Sans?" He called, stepping out of bed. He noticed the door to the bathroom was shut, so he walked over and knocked lightly on the door. Sans opened up, his knees weak.

"Sans? Are you alright?" Grillby asked cautiously. The skeleton infront of him was an absolute mess. Sans was shirtless, with only his signature black shorts on. Grillby could see Sans's, now permanent, ecto-belly for the first time. It was an opaque light blue color, and inside was a tiny purple dot. The belly seemed to draw in all the magic in Sans's body, leaving the skeleton incredibly weak and unstable on his feet.

Before Grillby could react, Sans started to lose his balance. In a split second, Sans fell forward and Grillby quickly caught him in a warm protective embrace.

"Sans..." Grillby held him close, rubbing his back.

"I'm okay... I just need some food..." Sans replied as his tummy growled. Grillby blushed at the sound and was overjoyed by the fact that the one thing Sans needed happened to be his specialty.

Grillby picked Sans up carefully, carrying him to the couch.

"I-I can walk!" Sans resisted, but Grillby kept him close.

"You need your strength... For the baby..." Grillby replied as he gently set Sans on the couch.

"Rest here, I'll make you two breakfast." Grillby said as he rested a warm harm and Sans's growling belly, deciding to do something rather risky.

Grillby leaned down and gave Sans a delicate kiss on the cheek. Filled with nervous energy, Grillby immediately bolted off to cook, leaving Sans to ponder the new feelings this kiss raised in his soul.

Sans was confused. Did Grillby like him? Sans did find it odd that Grillby would take such good care of him, but he just thought it was some kind of paternal instinct. Did Grillby actually love him? It seemed absurd. Sans had a crush on him, but he never thought Grillby would feel the same.

After awhile of Sans contemplating these emotions, Grillby returned to the couch. He sheepishly held out his hand.

"Would you like to try and walk or should I carry you?" Grillby asked, watching Sans to try and figure out his thoughts on the kiss and his new thoughts on Grillby. Sans seemed to feel confused and maybe even relieved. Grillby took note of this.

"Could you carry me?" Sans blushed and reached his arms out to Grillby, unable to look him in the eye. Grillby picked Sans up with a nod and gently carried him to the dinner table. On the table was a rather large breakfast with eggs, sausage, toast, and pancakes. Sans veiwed the whole feast with starry eyes.

"Grillby, this all looks delicious!" Sans exclaimed as Grillby set him down at the table.

Grillby blushed, "Why thank you." He smiled as Sans started to eat.

As he ate, Sans felt his energy return, just now realizing how long its been since he last ate. Once one bite entered his mouth, he couldn’t stop himself from shoving more and more food into his greedy mouth.

Grillby watched this gluttonous display with a queer interest (pun intended) and found himself unable to look away. The adorable skeleton kept gorging himself as Grillby watched. Sans's belly slowly swelled with the food as more and more was shoved into Sans's, now rather unhappy, tummy.

Grillby watched until Sans has almost eaten all the food and stood to go make more; however, hearing a familiar sound, he stopped and turned back to the skeleton.

He heard soft groans from Sans as Sans rubbed his engorged belly, trying his best to eat every last bite.

Grillby stopped him, "Sans, any more food and you'll burst." Grillby kneeled beside Sans, rubbing his stomach. He didn't know how true his statement was until his fingertips gently caressed Sans's gut.

There was a softness to it, but underneath was an intense tightness, a pressure that the skeleton could hardly stand. Sans moaned at Grillby's touch.

"I want to finish the food, I don't want to waste it..." Sans whined and whimpered at the ache in his tummy.

Grillby sighed, "Fine, but I'm going to make sure you don't pop on me. Okay?"

Sans replied with a shy nod before asking, "Can you feed it to me?"

Grillby was surprised by this; however, he obliged. He pulled over a chair and gently held Sans close, wrapping his left arm around the skeleton. He gently eased more food into Sans with his right hand as he rubbed Sans's bloated gut with his left. After a few flustered minutes all the food was gone, and Sans let out a huge belch.

"BWOOOOAAAAARP Oh God! Too much food!" Sans moaned as Grillby held him close.

"Shhh... You're okay, my love. I'm here..." Grillby softly whispered.

"M-My love?" Sans asked, his voice strained from the monumental pressure inside of him.

Grillby didn't know how to respond.