ニーベルングの指環 (Japanese); Harlock Saga: The Ring of the Nibelung (English); L'Anneau des Nibelungen (French) ; Nibelungen no Yubiwa ; The Ring of the Nibelung
Manga Descriptions Nibelung No Yubiwa On Manga Online
a sci-fi retelling of wagner's “ring of the nibelungen”, starring captain harlock. the series was first serialized from 1990 to 1991 in chuukosha fan, a used car magazine (!). a sequel was published for free directly on shinchousha's webpage from 1997 to 2000, making it probably the first online manga.