[quote=OldManWong]
I was indifferent to the sibling relationship since they continuously hinted at the actual blood relationship being minuscule.My character was definitely Tatsuya, because he was bad-ass as fuck.
[/quote]
Which episodes hint it?

Indeed but he is OP. Made to be a soldier, and gets his high school to be beating everyone at the Nine Schools comps.

Also I haven't started the Yokohama episodes yet so I'm not updated yet.