At Night Troop Headquarters, Kei Sazanami reports that after reading Souji Hiura's mind, he found all information related to the Sousui blocked. Sazanami describes it as a gatekeeper present in Souji's mind, that keeps others from accessing it. Masamori Sumimura is puzzled by the report, because Sazanami makes it sounds as if the Sousui's psychic power is a living thing that can live in the mind of another. Sazanami explains that a psychic typically channels their power into a specific form to more easily control it. Masamori recalls that Yumeji Hisaomi used a kind of starfish, though Sazanami likens it more to a combination of a starfish and a spider, adding that power in the form of a living being is easier to handle. He describes the Sousui's psychic avatar as a sea serpent capable of r