Okay, first things first, the beginning was pretty annoying, the bitching about problems, god I almost wanted to stop the game because it, but then it started getting better, weirdly not sure how to feel about the wife, one side she sounded like a bitch and then suddenly she sounded like "I want only you girl" and when Kira in the picture she sounded like "I need more then you" girl. To much personaly change in a short period.
About the messages, they miss date stamps which could least indicate when it another day and if it morning, noon, afternoon, evening and night.
Now about the concept, somewhat already covered several times, some hacker help bf spy on his woman, best friend of woman help corrupt her, not sure that will make this VN more interesting then the others. Also the pictures aren't always the same girl, least not in the beginning.
Overall it wasn't to bad, the idea of using ren'py is interesting, so will keep an eye out on future update, just hope it won't become a repeat of the others already out there, because that would make this VN somewhat less unique.