Is Herlock Saga: Nibelung no Yubiwa hentai?

OVA · 1999 · 6 episodes · R - 17+ (violence & profanity)

Action, Adventure, Drama, Sci-Fi, Seinen, Space

Captain Herlock is drawn into a saga of intergalactic proportions when the son of a deceased comrade unwittingly forges the Ring of the Niebelung. Evil forces gather to wage war against the last remaining superpowers of the galaxy led by a demented outcast. Herlock must counter the amassed armadas that threaten the last gods and recover the ring before Paradise is lost. (Source: ANN)