Thirty-two-year-old Kōji Sakuragi sees an ad that is scouting for young male singers to be a part of a new group named Shōnen Hollywood. Having once dreamed of being an idol himself, Kōji changes his name to Tsuyoshi Hiiragi and lies about being seventeen in order to get in and study at a well-known theatre in Shinjuku called Hollywood Tokyo, where the group will grow and develop their talents.
Shōnen Hollywood -Holly Stage for 49-
The anime takes place 15 years after the events of the novel.
Characters
Shōnen Hollywood members
;Kakeru Kazami Kakeru lived a "normal life" up until the director of Hollywood Tokyo came and scouted him. He is usually not assertive, accepting anything that comes before him. Later on, it is revealed that he cannot sing well; a problem which is eventually solved with the help of the other Shounen Hollywood members. His Hollywood color is red. ;Ikuma Amaki Makki is an ex-Yankee who didn't finish his high school. Due to this, he has problems in reading kanji. He is now the center of the idol group. Later on, it is revealed that the reason he left high school was because he got into a fight with his fellow Yankees. His Hollywood color is green. ;Kira Saeki Kira is a former child star actor with famous parents. Even though he is the youngest member of the group, he has the most professional experience. He is very serious about his work, saying that his dream is to find a job where he can perform in front of people, even when he's middle-aged. His Hollywood color is blue. ;Daiki Tomii Tomii is a big fan of the previous Shounen Hollywood idol group and joined the idol industry because of that. The brightest member of the group, he serves as their good luck charm. Later on, it is revealed that he grew up in an orphanage. He has idolized the previous generation's Tomii after the latter visited his orphanage. ;Shun Maiyama Shun is a musician who joined Shounen Hollywood aiming to be an international star. Even though he loves teasing and is very prideful, he is actually serious when it comes to music.
Others
;Kyōichi "Tesshi" Teshigawa The assistant of Tsuyoto Hiiragi and the manager of Shounen Hollywood, whom he helps with their practice. ;President / Tsuyoto Hiiragi A member of the old Shounen Hollywood and the current president of Hollywood Tokyo. ;Ran Kazehara Member and leader of the old Shounen Hollywood. In the present, he got married, got a child, and started a cake shop. ;Daichi Hirosawa Member of the old Shounen Hollywood. Before becoming an idol, he used to be a construction worker; after Shounen Hollywood disbanded, he decided to continue his previous work. ;Kō Ōsaki Member of the old Shounen Hollywood. He still works in the showbiz, mainly in the music industry. ;Shima "Seama" Hayamizu Member of the old Shounen Hollywood. In the present, he still works in the showbiz. ;Minoru Tomii Member of the old Shounen Hollywood, where he was called "Tomii, the Good Luck Charm". He is now still working in the showbiz as an actor. ;Ryūnosuke "Ryū" Date Member of the old Shounen Hollywood. When he was still a member of Shounen Hollywood, he was really cheerful and laughed about the smallest things. In the present, he works at Castle Resort Land as the bear mascot. ;Cat Is a great horned owl that acts as guardian deity of the Hollywood Tokyo. He goes to the theater together with Tesshi and also goes home with him.