In a world that has been torn between the Empire and the Nebulis Sovereignty for centuries, an imperial swordsman and a witch princess fall in love with each other.
EPISODE 1
Encounter: The Two Nations' Ultimate Weapons
The Empire and the Nebulis Sovereignty have been at war for centuries; imprisoned for freeing a witch, Iska is offered freedom in exchange for taking down a powerful astral mage known as the Ice Calamity Witch.
EPISODE 2
Encounter: The Enemy You and I Met Was...
After their brief encounter, Iska and Alice make an impression on each other and realise they have much more in common than they first thought.
EPISODE 3
Encounter: Successor of the Black Steel and the Ice Calamity Witch
Iska receives a new mission to apprehend the Ice Calamity Witch. By accomplishing the mission, he'll be one step closer to realising his dream of a peace treaty.
EPISODE 4
Intersection: Battle for the Vortex
A hundred years ago, a drift of astral energy creates a vortex and gives people astral power; as another vortex forms in present times, the Empire and the Nebulis Sovereignty race to acquire it first.
EPISODE 5
Intersection: Awakening of the Vortex
The members of Unit N07 locate the vortex, but discover the Sovereignty has already found it; after Mismis is captured, Iska must fight Kissing to get her back.
EPISODE 6
Paradise: Rin's Big Miscalculation
Iska and Mismis survive the eruption of the vortex, but the team don't escape unscathed; Alice decides to search for Iska in Ein again.
Ayana Taketatsu
Sora Amamiya
Yusuke Kobayashi
Yumiri Hanamori
Shunichi Toki
Azumi Waki
Kaori Ishihara
Aya Hisakawa
Shin Ōnuma
Mirai Minato
Kento Shimoyama
