Haine

Heine (ヘイネ, Heine) is a mysterious being in the form of a young girl in red kimono. She is called "Mother" by the Shadows.

Plot
The parent shadow offers large amount of humans to Heine, who then appears in the sky and shines in red. As the shadow spread and consumes all humans on the island, Heine licks her lips for the good meal. Shinpei asks Hizuru to kill him, so he can return in time and as she does, he starts floating in a ghost-like form. He looks at Heine, who also turns and looks at him, but he then travels back in time.

On the fourth loop, Shadow Ushio replays the death of Ushio for Shinpei and Sou. At the end, Shiori grabs Shinpei's arm, surprising him that they can interact, however, Shiori then turns to Heine, who tells Shinpei that she found him finally and won't be letting him go. However, Shadow Ushio ends the replay and they manage to escape Heine.