If you're looking for anime similar to Space Idol, you might like these titles.
Yuki Terai is a vivacious 17-year-old who lives just outside Tokyo. In most ways she is every bit the typical teen - except she doesn't exist. The invention of acclaimed computer animator Kenichi Kutsugi, Yuki Terai is Japan's No.1 Virtual Star. Capable of unprecedented life-like expressions and movement, she inhabits many worlds: real-life, science fiction and music. And now she can inhabit yours. In Secrets, the multi-faceted Yuki is showcased in six irresistible short stories.
Centers on hero pair teams named "Patraisers," consisting of "Sugars" and their supporter "Patrons." One Sugar and one Patron merge to form a Patraiser hero to reinvigorate people's frozen hearts.
Go for Hoi Hoi Hall! This is the passionate but relaxed 10 day story of struggling idols who fight to fill a 100 seat concert hall!