Lovely Idol

Lovedol ~Lovely Idol~ (らぶドル, Rabudoru) is a Japanese series of fictional aspiring idols through a wide range of media, First began as a set of illustrated short stories serialized in Enterbrain's Magical Cute magazine, the franchise grew to include radio shows, drama CDs, a Japanese bishōjo game by PrincessSoft, and an anime television series which began airing in Japan on October 2, 2006.

Plot
Lovedol is an idol group of young singers who have become very popular through new generations. Managed by Tomohiro Fujisawa, the third generation is about to debut until it has been delayed by the company president. He isn't told why, but is left to figure out for himself what, exactly, the next generation is lacking. While considering what he should do to remedy the situation, he finds a young street musician singing with the guitar. Tomohiro may think he's found the answer, but recruiting her could turn out to be harder than expected.