An
original net animation (
ONA), known in Japan as , is an
anime that is directly released onto the
Internet. ONAs may also have been aired on television if they were first directly released on the Internet. The name mirrors
original video animation, a term that has been used in the anime industry for straight-to-video animation since the early 1980s. The Internet is a relatively new outlet for animation distribution that has been made viable by the increasing number of
streaming media websites in Japan.