If he thought there might be something between him and her, it would be something for the third layer.
If he thought about having a sister-brother relationship with her and they had the same mother but different fathers, that would probably start costing people their lives.
Oh, why do I have to be so miserable? I had long left the Quaser family, but today a messenger came with a letter from my idiotic brother, saying something like, "For the sake of our brotherhood, give your big brother a hand."
...I'm already nice not to have shoveled a pile of dirt over you!
With that thought in mind, Aemet Serk jumped off the circular intercity passenger train that had just been laid in Sydney Union in the past two years.
