User blog comment:Mizuhara Yukie/Do you guys think that Mizukawa Minori and Potomuri is actaully ONE person?/@comment-5523857-20130804063046

Kuroiwa did talk to Endou at the end of episode 1 which means that Endou also knows about the alien. Gouenji also said that he trusts Kuroiwa because Kuroiwa has seen both light and dark. That exactly the same way as Kageyama in Inazuma Eleven!!!