Agent Aika is a Japanese OVA series animated by Studio Fantasia and directed by Katsuhiko Nishijima. The series follows Aika Sumeragi, a salvager for hire who gets caught up in a plot for world domination. The series was released in Japan from 1997–1999. The anime was initially licensed by Central Park Media, but was later licensed by Bandai Entertainment. The series is well known for its copious amounts of fan service, specifically the camera angles on panties of the many female characters that populate the show. On April 25, 2007, the first volume of the three-part prequel OVA AIKa R-16: Virgin Mission, detailing Aika's time when she was 16 years old, was released in Japan. A remastered version of the original series was released also, along with a special live-action edition of Agent Aika. In 2009, the sequel OVA AIKa ZERO with 19-year-old Aika was released.