- #130
There are problems with that, because.
1. Those who go to SS after death usually have everything about them reset.
2. That would mean that they would not have the same clothes and be in rukongai-standard rags.
3. They would not have the memories.
4. They would not have their powers(which they clearly do since Tsukishima has his sword)
Well Kuukaku did mention she saved them form the Rukongai, which could possibly indicate that they were "reborn" in SS. However, I don't ever remember people receiving a reset in memories. From the early manga chapters we saw Rukongai members who were trying to reunite with family members from their memories, but they don't always do because it is so vast. It is only when a member does in Soul Society do they get reborn in the human world with no memories.
Like an endless cycle of reiatsu balance.
What I think is that some of the fullbringers were reborn in SS, and due to having great amount of power in their previous life, they were born with similar power capability and with that Kuukaku was able to find them. Not to mention they probably have to do with Ichigo's weird family tree and power inheritance.