Oh, I see. This Byakuya was a sort of stand-in parent to you?

I am a believer in the afterlife, seeing as how I experienced it after I died in my own world. But not all worlds are the same, and not all belief systems are the same. If you really believe this is all we get, then it's all the more important to try to repay debts when you can, if that is at all possible.

Your father knew your feelings even though you never told him in words?