The story centers around a timid orphan named Mizumura Shinta who goes to a missionary school in Tokyo. His seemingly normal life changes when a beautiful half-human Romanian girl named Lilith suddenly transfers into his school. Mizumura discovers that he is actually a vampire hunter and the successor of the Romuald lineage.

The 13th episode of the TV anime bundled with the special limited first edition of the 7th manga volume.

Recap episode of Seikaisuru Kado, also known as Episode 12.5.