Imagine being the hero who saved these girls from their hellish upbringing and take them in, raising then just as you would your own daughters. Keeping them safe from all the evils of the world.
Then one day you realize that they have grown into women, while you have remained the same age. You are now their entire world and the only male they've ever loved and depended on and its starting to show in how they look at you during training. How they still request to take baths with dad and fight over who gets to sleep closest to him. Smothering you with their warmth and scent. It fills the room and you can no longer keep a straight face in front of them.
They can tell right away. You've taught them to read their opponent too well. They've already barricaded the exits and surrounded you on all sides practically drooling. They move in50 years worth of semen