Chapter 62 of the Jigokuraku manga.
Summary[]
During their strategy meeting, Mei gives out a basic layout of the castle and reveals the palaces each Tensen reside in. She also states that since the Banko drops down at night in the Rentan Palace, Rien will not be in the palace and will move to the Main Palace where Jofuku resides, making it possible to avoid running into him after securing the elixir. Gabimaru then explains that he and Yuzuriha will land at the top of the inner gate and will survey the layout of the castle using their Tao sensory. While they are able to infiltrate the palace using their Tao suppression, Gabimaru states that they would have to switch in and out for when the time came to scout the area and take out the guards. In the present, the Elixir Retrieval Team succeeds with the plan they had set forth and enter the castle. Gabimaru senses the layout of the room but suddenly sees Tao forming an entity in the middle. The Tao silhouette is revealed to be Ran who had the same idea of suppressing his Tao and stated that he knew that Mei would be the one to guide them.