1Kuze Shiina Origin
A young girl living in peace as a hunter sees her life forever changed when a new threat comes for her sister.
2UN Investigation Agency EXCEEDS / Diaboli Slayers
Nanoha & Fate recruit Shiina to EXCEEDS, and explain the Diaboli. / A mysterious group of girls slay Diaboli.
3Kuze Shiina & Yorumi Towa
On her day off from EXCEEDS, Shiina encounters Towa attempting to rescue a cat & the two become fast friends.
4Yorumi Towa Origin
Shiina is killing progenitors while Towa prepares to make her move, reflecting on the reason for her actions.
5Chance Encounter
EXCEEDS & the Diaboli Slayers run into each other as both target the facility abusing Progenitor Three & Four.
6Kuragi Eiji and Shinomiya Mana / Sunlight
Eiji and Mana discuss the Diaboli Slayers and take countermeasures. Shiina and Towa enjoy a day together.
7Jurisdiction #4's Subway: Running Extermination Battle
Parasitic invaders are unleashed on a public park. As both groups work to stop it Towa becomes a wanted woman.
8Yorumi Towa Descent
Shiina fails to persuade Towa, and Towa turns herself in to get closer to Shinomiya.
9EXCEEDS
EXCEEDS interviews the Diaboli Slayers and mobilizes its forces while Towa fights Shinomiya Mana.
10South Pole Underground Research Lab: Search and Destroy Mission
EXCEEDS raids Shinomiya's lab in the south pole to rescue Towa and exterminate Progenitor Zero.
11The Diaboli, Shinomiya Mana
Shiina rescues Towa and faces off against Mana while Nanoha and Fate handle progenitor zero.
12The Flame Connecting Me to You
Towa and Shiina work together to end the real Progenitor Zero and bring peace back to their world.