Anime: Bleach OVA
Kurosaki Ichigo, the temporary Shinigami(Death God) for Kuchiki Rukia, discovers his mothers 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.