This is my failed attempt to do a diagram by hand. I was thinking of scanning and then using Paint.Net to paste the profile portraits.
Since I'm running out of time and got to head back to Church, here it is. I couldn't fit in Saori or Manami.
Ever since my drunk incident with Oreimo, episode 13 did some havoc on me. The gears starts winding in my head, and I'll try to forget.
There is one line in Oreimo that has been bugging me:
I'm going to white it out.
You know in season 1, Ayase and Saori commented on how Kyousuke and Kirino do not look brother and sister. That line is burning a hole in me. When you mention an incest route, maybe things are not what they seem to be.