"Aria, let's come up with one last revenge plan! Let's put all our effort into this!"
"No thanks," said Aria.
"What?" said Adagio.
"I don't want to get farted on by Rainbow Dash again!" Aria shivered.
"Well, she loves to fart, so we can target everyone BESIDES her! Or Pinkie!"
"I won't take that chance!" Aria threw her stone on the ground and crushed it with her foot.
"You will regret that." Adagio put Aria over her lap and spanked her ten times. Aria winced in pain with each swat and let out a little yelp on the last three. "Now go to your room and don't come out until I get back."
Adagio led Aria to her room and Aria walked inside.
"I have to go to the bathroom," said Aria.
"Like you did after I told you to not make Sunset fart for a day?" said Adagio dubiously.
"I really mean it this time!" Aria held herself. "Can't I pee first?"
"Just hold it," said Adagio, slamming Aria's door and locking it.
Adagio returned to the living room and tried to think of a plan. She decided to make all but Rainbow and Pinkie fart so that they'd make fun of them. It was a longshot, but the best she could think of.
...
The girls were hanging out at the park. Adagio watched from the bushes and raised her stone. Make them fart for an hour! One by one, she cast the fart spell on Fluttershy, Applejack, Rarity, Twilight, and Sunset.
The five of them moaned in discomfort, and as they were starting to fart, Sonata walked by the bush. "Hi Adagio!" she said loudly. The girls turned in her direction, the five gassy ones trying to hold in their farts. Sonata gave Adagio a wedgie and dragged her over to the girls by her white panties. "She cast a spell to make you fart! It's all her fault!" She took Adagio's stone and threw it to Pinkie Pie. "Here, now you can fart all you want!" Sonata cast a fart spell on herself while Pinkie cast it on herself and Rainbow Dash.
"There," said Pinkie. "Now Dashie and I will fart for as long as the others! How long is that exactly?"
"An hour," said Adagio. "Now give me my stone back!"
"How about we fart on her?" said Pinkie.
"That'd be awesome!" said Rainbow Dash.
"Normally I'd be above something so unladylike, but..." Rarity farted loudly again. "My dignity today can't be saved now."
"If you're all doing it, I suppose I can too," said Fluttershy quietly, letting out a silent fart. "I just hope she'll be all right after this."
"She'll be fine," said Rainbow Dash. "She'll just faint, smell bad for a while, and lose the will to seek revenge anymore!"
Adagio gulped as Sunset, Twilight, Rarity, Rainbow Dash, Pinkie Pie, Fluttershy, Applejack, and Sonata surrounded her facing away from her. They all stuck out their butts and farted as loud as possible, except Fluttershy, who farted silently. Adagio fell on her butt and the girls walked closer and continued to hit her with a flurry of farts. They all farted loudly except Fluttershy, whose farts remained silent, and some of Rarity's farts were silent too, though the rest were as loud as Rainbow Dash's farts.
After Adagio passed out, they continued to fart on her.
...
Adagio woke up hours after they had stopped farting. She sniffed herself and recoiled. She smelled several times as bad as Aria did the other day. And she accidentally let out a loud fart, and when her farting did not subside, she realized - Sonata must have put a fart spell on her, and set it to activate as soon as she woke up!
Adagio lay in various positions, farting as loud as possible non-stop. After an hour, she stopped farting, and made her way home.
She opened Aria's door. Aria was sitting on her bed, looking miffed. She had wet her pants in the hours it took Adagio to return.
"Phew," said Aria. "You smell really bad!"
"I know," said Adagio. "I need you to give me a bath."
"Just let me change my pants first."
"No. Bath now, then you can clean up."
Aria groaned and followed Adagio into the bathroom. Adagio filled the tub with soapy water and sat down, still in her smelly outfit. Aria washed her as she had done, and Adagio told her what happened.
"I told you so," said Aria.
"I should've listened to you," said Adagio. "Pinkie has my stone now, but I won't even try to get it back. We underestimated the power of their friendship and what they could do to us. It's useless to try to get revenge on them."
Adagio farted in the tub. She blushed, and Aria scoffed in disgust and continued to scrub her.
...
The girls put the whole embarrassing fart moments behind them - except Pinkie, Sonata, and Rainbow Dash, who would have fun with it.