Island and City (S01E07)

Ryuhei and his friends are taken aback when they encounter Kazuha, who identifies as a hybrid. This revelation forces them to confront the unsettling truth that the cult they're battling is far more formidable than they had thought, and that there are indeed "people who are not human." Later, Ryuhei and Reina run into a high school boy and girl at their regular hangout in the park. Ryuhei has a nagging feeling that he recognizes them from somewhere, but he can't quite place it…