Lucy offers to change Erza/Juvia's panties

"Now then, I have some panties you can borrow at home. Would you like that?" Lucy asked.

"Yes, please." Erza/Juvia agreed.

With that, the duo walked back to Lucy's apartment where Erza/Juvia removed her very soiled panties, much to her surprise.

'Wow. Juvia must eat a lot of fiber.' Erza/Juvia thought as she dumped the contents into Lucy's toilet and put the soiled panties in with Lucy's dirty clothes.

Lucy managed to find a pair of purple panties for her, which she gratefully accepted, although they felt a little tight around her rear. Unfortunately, she also noticed that the back of Juvia's skirt was also messy, so Lucy stripped her and tried to find some clothes for her. Lucy found...