Hot damn, her bicep is huge
I wouldn't mess with either
Alternate version, if anyone wants to see the flex full speed (it's pretty quick)- https://www.solidfiles.com/v/yRpz2n8NyGmMM
She says "Thats cute you want to be like me but this is how you really do it!"
Thinking, "Wow the skinny girl's friend has a big bicep."
Skinny girl flexes.
Thinking, "Oh, dayum! Skinny girl's bicep is bigger!"
double bi pose