ONA: (
Type) ONA = Original Net Animation. These are the anime titles released over the Internet (often for promoting an anime series, sometimes even for promoting a computer game).
Violent: (
Objectionable Content)
Titles that include as an important part of their content excessive displays of cruelty, blood and gore. Any of the classical 'slasher' films would qualify for this keyword. The series
Black Lagoon would be a good example; as many of its chapters involve killer lolis, chainsaw mercenaries and flying body parts.
