Childhood Days
Determined to rescue his mentor, Van Hesling, from the clutches of a pack of Mandurago vampires, Blade tracks him to a local slum in the Philippines. He also remembers his difficult childhood and the time he met his undead mother.
Aired 22/07/2011EP 4 - Childhood Days
2011
Blade
The story revolves around Blade, a "Daywalker" vampire hunter who was born with vampire and human blood after a vampire attacked his mother. While visiting Japan on a mission, Blade tracks down Deacon Frost, the vampire who killed his mother. Blade confronts "Existence," a mysterious organization composed of vampires modified by Frost.
(Source: Anime News Network)