In the near future, monstrous creatures called “phantoms” descend upon the world. Haruhiko Ichijo is a student at Hosea Academy, along with Mai Kawakami, Reina Izumi, and Koito Minase, three girls who fight these creatures. High school life proceeds as normal until a certain incident reveals the truth of their world to them.

[Source: Crunchyroll]

Picture drama specials bundled with the main series' Blu-ray/DVD volumes.

Unaired episode bundled with Blu-ray/DVD volume 7 of the TV anime.