One of the Twelve Apostolic Angels of the White World, Aquarius Gambriel, suddenly appears before Azuma. But Fierte is uneasy at the appearance of what should be a friend. Meanwhile, a different group of angels than Gambriel are searching desperately for what they call the Angel Killer, a girl with a black Z/X.
| Title | Phase 4 |
|---|---|
| Genres | Action & Adventure Animation Sci-Fi & Fantasy Comedy |
| Release Date | 2014-01-31 |
| Episode Runtime | 00 Hours 24 Minutes |
| Season Number | 1 |
| Episode Number | 4 |
| Production Companies | Pony Canyon, Sotsu |
