It takes place at a fictional theater called Hollywood Tokyo in Harajuku, where members of the idol group "Shonen Hollywood" develop their talents with diligent work and studying.
The plot takes place 15 years after the original light novel's story in a fictional theater called Hollywood Tokyo in Harajuku. The five aspiring members, Kakeru, Kira, Ikuma, Daiki and Shun, work together to develop their talents as idols.