July 22nd, the fourth time. Hizuru Minakata is the woman who met Shinpei on the ferry and told him the name "Ryunosuke Nagumo". Hitogashima was her hometown too, and she had returned home for the first time in 14 years in order to unravel a mysterious message left on her cell phone. Hizuru learns of the existence of "Shadows" and "Heine," and joins up with Ginjiro, a hunter, to discover that many of the islanders have been replaced by Shadows.