 If you liked
IDOLiSH7
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 ...then you might like
Heroine Tarumono! Kiraware Heroine to Naisho no Oshigoto
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In both series there's a female protagonist that suddenly become the manager of a group of idols
The female protagonist are cute but they're also persevering woman/teenager who wants to do the best at their job. (in Heroine Tarumono the protagonist has to deal with school as well)