The official website for the Nanbaka television anime announced that the "Nanfes" event in April will screen a previously unreleased anime special.

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Rikka Isurugi has spent her life training in the way of the ninja with her grandfather Hyoe while following in the footsteps of her father, the esteemed researcher Allen. His work has culminated in a set of cutting- edge drones equipped with artificial intelligence and incredible technical capabilities; although Allen plans to develop these drones for civilian use, there are others who have more sinister ideas in mind.

On Rikka's 16th birthday, things are forever changed when a paramilitary group raids the Isurugi house in search of the drone technology, killing Allen and Hyoe while Rikka manages to escape with the drones. Months pass, and Rikka is now an ordinary girl working as a private detective while sharing an apartment with another girl, Melissa. But when night falls, she dons her grandfather's fox mask and mercilessly hunts down those responsible for the attack. With the anger she felt that day driving her forward, Rikka will not rest until her family's killers receive the justice that they deserve.

[Written by MAL Rewrite]

Kurosaki Ichigo, the temporary Shinigami(Death God) for Kuchiki Rukia, discovers his mother's killer as one of the Hollows he has been hunting. He does battle with it in a prideful battle of revenge. This Special is actually a flashback of previous episodes in Bleach. After the ending credits, a short plays showing Shinigami and their Zanpakutos to "Number One" from the Bleach Soundtrack.