Nobody's POV

Chara had gotten the perseverance/purple soul. They had a plan...

- A few days later -

Sans POV

I noticed Alphys has been saying 'sharans' or 'chans'. Weird. "Wait... Oh shi-" I said. "What happened?" Asked Chara.

 "Y-you know how Alphys s-says 'Sharans' and 'Chans' ".

"Yeah... Wait a minute..."

 "MOTHERFU-"

 We hear giggling, and by giggling I mean like a fangirl trying not to squeal at 2 in the morning.                          (Sans, don't you even think about breaking the 4th wall!).                                                                "Oh my Asgore!!!" Said Undyne "You guys actually found that out!!" .

      *Megalovania and Megalo Strike Back start playing in the background*

Undyne's POV

Chara's face had black goo all over it and Sans' left eye socket was flashing a blue to yellow gradient... And that's when we knew that we were screwed.

*after what seemed like an eternity of fighting*

 "I'M GOING TO WIPE YOU OFF THE FACE OF THE MULTIVERSE!" Screamed Chara.                                  "MultiVerse?" I asked. "Chara... We only told them about timelines. Not AUs..." said Sans.

 "AU? What do you mean?" Asked Alphys. Sans and Chara looked at each other and Sans teleported away. "SANS, YOU BETTER NOT LEAVE ME TO EXPLAIN IT!!!!" Chara shouted. Chara began to run outside. She ran to Grillby's, then she proceeded to DRAG HIM OUT. It was hilarious. "Can't we let the reader(s) tell them?" Asked Sans. "STOP BREAKING THE DAMM FOURTH WALL!" Chara screamed at Sans.

(This was a short chapter, but I wanted to do something special for @Syst3m_Err0r ! Thanks for being amazing!)