Angel (written in Western characters since the original publication) is a long running series of manga created by Japanese comic book author U-Jin. The original manga series met with controversy in 1990–1991 in Japan and was retired from its magazine serialization. It also met controversy in France. Six OVA based in the manga have been released, although the first one has no relationship with the next five and has not been released outside of Japan. The second series of OVAs have been released in several countries.