Where top scientist from various community, mostly are exiled or voluntary exiles came to Research on stuff and using their technology to collect data, and manipulate the flow of information inside seiretei. This community itself is a branched off network influenced by the AOM. This facility is also where Shinigami go through hollowfication. This process is done within a containment room used seems to spread a some form of possible airborne infection that has the desired effects on high-level powered shinigami as compared to low-level powered ones. Causing those infected great sickness and fatigue until they vomit up a white liquid that forms the beginnings of their hollow mask, which then proceeds to take over their bodies and minds. Other then that all that is known is that the process is accelerated by aggressive emotions.