That ass is humongous now and it's getting used well, a change from all the boring PAWG model who don't even get their ass fumbled with. JAV seems to be better at playing with big ass.
She wanted to hit 5000-5000ccs in one go. If not, she would go for 4500 and 300-500cc fills afterwards. If she'll handle 5000-5500, she also said that she didn't say no to 6000cc.