Hishou, Ginga, Ace, Hayate, and Ikazuchi all work at a studio doing various idol-related jobs at the request of their manager, Reiko. But in reality, These five teenagers are really the Reideens, a group of superheros who fight the Super Devils sent by Lushu, a mysterious being. Little do the Reideens know, these Super Devils are being sent for a more important purpose....
(summary from AnimeNewsNetwork)38 TV Episodes
Animation by Sunrise
See also remake of series -
Reideen (2007)