What happens next?

Meanwhile, Heather continues messing with the app

While Josh was making new acquaintances, Heather was still busy with the app. After taking care of Master, she had thought about Sara and her lack of libido and whim. She was really happy to have such a sexy Big Sister, and she loved her. But she thought it was a waste to have such a gorgeous and charismatic woman being so passive and ununthusiast during sex. Plus, she had many fantasies of the redhead beauty dominating her. So, she had typed the following rules:

Redhead women have a libido far higher than average and love rough sex, especially anal sex.
Women dating or married to the same man have a hierarchy among themselves, the one with the longest relationship being called "big sister" and ruling over the others. After her, the hierarchy doesn't necessarily follow any order.
A big sister's libido, as well as her reverence toward the hierachy between her master, her little sisters and herself, is proportional to the size of her boobs.
On average, redhead women have a chest one size bigger than other women.
On average, the big sister in a master's harem have a chest one size bigger than other women.
Women with big chest love to give titjobs and blowjobs.

Now she couldn't wait to have both the man and the woman of her life back at home. But she was also thinking about how Master could have used the app in a far better way. Only three girls for every boy? He deserved dozens of sluts in his harem! And the owner of the app could only change the same rules once, which meant he couldn't modify this one and she couldn't do it either from his phone. There was only one solution: She had to become the owner of the app. Sure, it was technically stealing, and from her own boyfriend and master... but as much as she adored him, she also cared for him and knew he was not always the wisest man. Plus, he didn't specifically forbid her to take an app from his phone. In a sense, she was only expressing her love and loyalty to him by making a better use of the app than him for his own benefit. Convinced by her own arguments, she entered the rule:

When the app is passed to a new owner, the previous owner forget all about it entirely and his memories from the new reality he lives in replace those from his previous reality.

Then she sent the app to herself and replaced "Three girls are born for every boy." with: