Fart loudly

As much as she didn't want to, Erza/Juvia let out a very loud fart that made Lucy get the message. The whole event made Erza/Juvia blush harder than she ever had before. There were certain things even Erza wouldn't do in front of other people.

"Oh boy, let's go before you crap yourself." Lucy said as she dragged Erza/Juvia to the nearest ladies room.

"Wait, I'm perfectly capable of making it on my own!" Erza/Juvia said frantically.

"Based on what I just heard, you really need to poop Juvia. How long were you holding it in for? I know you like Gray, but even you need to have your limits." Lucy said, still dragging Erza/Juvia along.

As much as Erza/Juvia struggled, she could not break from Lucy's grip. The need in her borrowed bowels was too great for her to make any significant argument as the two went on their way. When they got there....