For some reason there's no PNG instructions on how to impregnate the girls in the features. Where can I find them?
New Life is not fully integrated into the game, there is only testing with Izanami available.
In short, based on the actions you take with her, the evolutionary needle will move between Feral and Noble, the more lust you give her, the more feral she will be, the more cute actions you take for her, the more she will move toward noble. Balancing the two will cause evolution to fail.