Plot: The story centers on the members of the SI-VIS co-ed vocal unit that is wildly popular both inside and outside Japan. Their true secret identity is a group of heroes who fight against a mysterious calamity threatening to destroy the world
First Episode Aired On:
No estimated release date
Last Episode Aired On: No estimated release date
Number of seasons: 1 (1 episodes)
Genres: Animation, Action & Adventure, Sci-Fi & Fantasy
Season 1