Guys, I need help!

[Koi Asagaki]

I was able to get into the game, and the game did show a few initial images, but after the NTRMAN word line appeared, the game screen went completely dark after.
This issue goes the same for Camp with mom and The Rural Homecoming 2.
Any suggestions guys?

 

[Winterfire]

Those are unity games, so attaching the log generated by them would be a first good step to give the chance for someone to help you. You also didn't include your system specs, so the best I can do in this instance is offer some general advice:
1- Update your graphics drivers.
2- If you're playing from a laptop, plug your laptop before playing and make sure to run the game with your dedicated GPU.
3- Disable GPU scaling (No Scaling) and/or try different options from your GPU Control panel.
4- Try -force-d3d9 or -force-d3d10
5- Hold shift when opening the game and select your main monitor, if there's no monitor, do step 3.