The gal and the goth by Reborner Giantess Fart Shrinking 2 (what if) chapter 3 by Tinyman0001

Entering the bus was two women; one was girl dressed in completely black while the other contrasted with the first with her white and pink. With long, white hair to stand out from her matching black skirt and shirt that was straining against her assets, the goth was deeply immersed with her music. The other had short black hair with a white blouse and short pink skirt on her equally curvy body as she was talking on the phone. Their high heels (black and blue respectively) clacking against the floor as they head to you, unaware of your presence. As they were turning around to sit beside you, you could see the goth was wearing white panties under her fishnet stockings as the gal was wearing a red panties with a heart shaped window to her large ass when you finally notice them. A gurgle comes from both of their midsections before they leaned away from you as let one rip for about 50 seconds.
"Whew!"
"OMG! I farted! did you hear that!? LOL!"
As they didn't care about the stares they were receiving as you coughed from their flatulent pincer attack before noticing everything was getting bigger. As you were still in the air, you fell and landed under what?