Frisk:

Gaster is an Old Friend. Truly. I talked to him before, and he was calm. He talked about sans, about Papyrus...

He talked about Asgore.

He talked of Alphys, his successor, who took the job of "Royal Scientist". He talked about Toriel, the old queen. The people he missed.

He talked about Asriel.

But the one person he never mentioned...

was Chara.

And now I see why.

Chara is loose, corrupting the souls of the monsters.

Frisk: "...Gaster."

Gaster: "What is it, Frisk? I have business to attend to."

Frisk: "IS KILLING THAT HUMAN THE BUSINESS YOU NEED TO ATTEND TO, GASTER? IS IT?!"

I rage. My eyes reflect how I truly feel: Determined. Red.

Gaster: "No, no. Of course not. Any time I exist outside of the Voidscape, I'm conducting research. You know this."

Frisk: "But I can never see you, Gaster! If at any time I can EVEN BARELY see you, I'll know that you're really angry about something, and your Determination levels will start rising! I know this because your body starts melting!"

Gaster: "Come now, Frisk. You know this isn't true, my body would nev..."

Frisk: "LOOK AT YOURSELF! ITS ALREADY HAPPENED! HAS RAGE SO THOROUGHLY INDUCED YOUR MIND THAT YOU DIDN'T TAKE NOTICE? PLEASE!"

Gaster's eyes drop. Then they expand.

Gaster: "I... I've... ...melted?"

Frisk: "Yes, Gaster."

Gaster shrugs. "...I suppose you're correct... Frisk. But, this isn't any time to ponder over that. You see, I've also taken notice... that you are notably Bigger than last time we did meet. Of course, this all makes sense- it's been a year."

Frisk rolls her eyes. "It's been five. Time moves faster in the void. I didn't get that big, gaster. I'm only four inches taller than I was when we first met, so i find it amazing that I'm Noticably Bigger. Unless you're talking about these?"

Frisk holds her boobs up in such a way that any man would bUst A fUckIng nUt over them in a heart beat, her cleavage at maximum percent.

Gaster sighs. "No, I sincerely meant your height, and general bodily physique. I find it alarming that you have a desire to do porn with a monster older than you and your grandfather."

Gaster winks. It's not a classic joke, but it'll do.

Frisk steps back slightly.

Frisk: "You're a monster, Gaster. You're immortal until you have children, and you're immortal because you live outside an era where time exists. So, if you calculate when you died to now, you would be around... 56? Not bad, old man. However, without it..."

Frisk thinks momentarily. Gaster's face lights up.

Frisk: "...You would be 37? Wow. So you would be fucking me, who is 24, an adult who has been living down here since who knows when. That's a 13 year difference, old man."

Gaster blushes. "Now listen here..."

Frisk laughs. "Gaster, gaster gaster... It's alright. If you want to count the years you missed, you'd be 56, right? That's a 29 year difference. Come on. Think about what you say before you say it in front of me, pervert!"

Gaster: "I was thinking no such thing! You started this conversation, I'm going to finish it, fri-"

[SFX: Clang!]

Gaster fell over, passed out. Riku stood behind him, breathing heavily, holding a burnt pan.

Riku: "*huff*...Did I get him?"