Unexpected Outcomes is a The Amazing World of Gumball Fan Fic by ArcLight Fire77. In the story, Penny reveals Carrie's feelings towards Gumball to everyone on the school bus, leading to a budding romance between the two.
You can read it here. It also has a sequel here, and a threequel here. There's also a continuation of the sequel by another author.
This fic provides examples of the following tropes:
- Adaptational Jerkass: Penny is as far from the Nice Girl she is in the show as you can get.
- Adaptational Villainy:
- Along with her change in character from nice to vile, Penny is the antagonist of the first story.
- While Masami was a Rich Bitch for most of the show, you can hardly call her a villain. Here, she actively aids Penny in her schemes.
- Big Bad: Penny for the first story.
- Childhood Friend Romance: Endo and Kira have been friends since they were young, and they grow up and develop feelings for each other.
- The Dragon: Masami to Penny.
- Green-Eyed Monster: Carrie was this towards Penny for being Gumball's Love Interest.
- My God, What Have I Done?: This is Carrie's reaction upon seeing Penny's nearly dead body from her ghostly possession.
- Original Character: Endo, Gumball's cousin, and Kira, his childhood best friend.
- Shipper on Deck: Everyone in Gumball's and Carrie's families is supportive of their relationship.
- What Does He See in Her?: Carrie wonders this about Gumball's interest in Penny out of jealousy.