Shinji learns about Mirror World, Mirror Monsters, and the mysterious Kanzaki Shirou from Yui.
Reiko berates Shinji for being a coward who doesn't want to risk his life to find answers when he suggests her to stop investigating the missing cases.
Shinji eventually accepts his experience in the Mirror World because his Editor-in-Chief encourages him that risking life to find answers is Reiko's philosophy in being a journalist.