Aoba Riku has just changed schools because of his father's job. On the very first day, he realizes that this educational facility is quite different from the schools he previously attended. After all, this was not his first change of residence. The secretary controls the school and the teachers themselves are extremely eccentric individuals. Students enjoy the great freedoms that the Tsugumi High School authorities are proud of.
Ninomiya Shungo is an average high school student who lives at home with his older sister Ryouko. However, Shungo's life changes when a cute girl named Tsukimura Mayu arrives on his school grounds in a military helicopter. It turns out that Ryouko sent her, along with her older brother Mikihiro, to live in their home.
Nogizaka Haruka is the most popular student at the prestigious Hakujo School, not only for her beauty, but also for her innate talents and her family's influence. However, Haruka harbors a secret, the revelation of which could destroy her reputation.
Nabatame Haru, Seibu Rio and Tamaki Kyouka form an idol unit called TINGS. Unfortunately, despite almost a year of activity, they are unable to gather crowds. The director of the agency they belong to, Hinase Yuuki, gives them an ultimatum - if they can't fill Nakano Sun Plaza in its entirety, their unit will be disbanded.
Since the death of his parents, Ajiro Shinpei has lived with the Kofune family and their two daughters, Mio and Ushio. Yet at one stage in his life he left his home island to pursue his education in Tokyo. Shinpei returns after Ushio tragically drowns while trying to rescue Shiori, the daughter of the owners of a nearby store. During the funeral, his best friend informs him of bruises found around Ushio's neck, casting doubt on the cause of her death.
Aoki Daisuke just finished his junior grade teacher training and almost immediately got a job at one of the elementary schools after the previous teacher was fired. What he didn't expect was that the first class he would lead would provide him some of the toughest times of his life.
The seventeen year old Tita, captain of the ship Cha Cha Maru, is one of the colonists of the planet Yietta that benefits from the unique oceans of liquid gas. She and her crew specialize in harvesting the exotic life forms that live in these oceans and selling them to intergalactic pet stores.
The year 2032 was a turning point for the idol world. The slow extinction of this subculture was initiated by the breakup of the legendary 7th Sisters unit. The media began to rally to the end of the idol era, and large corporations took it upon themselves to purchase buildings and land belonging to various agencies.
Miyazawa Yukino is the most recognizable girl in school and the president of her class. She has no weaknesses, and her grades are always good enough to put her at the top of the honor roll. On top of that, she makes new friends easily, which has always made her an object of admiration. In reality, however, all this is nothing but her other face.
The year is 1985, and Sakura High School students Kurabe Juurou, Fuyusaka Iori, and Amiguchi Shuu are experiencing a strange phenomenon of dreaming together about Kaijuu wars in the past and future. They are also watched over by a school nurse named Morimura Chihiro, who provides an unknown type of medicine to several students of their institution.
Hanabishi Kaoru is a college student, but lives alone due to a difficult family situation. One day, at the train station, he meets a beautiful troubled woman dressed in tsumugi. The boy decides to help her find an address, which, as it later turns out, is located not far from his apartment.
Studio 765 Production gromadzi trzynaście utalentowanych młodych dziewczyn o całkowicie odmiennych charakterach, które pragną zostać idolkami. Właściciel stawia sobie za cel uczynienie z nich rozpoznawalnych w całym kraju gwiazd. Zatrudnia dobrze rokującego menadżera mającego za zadanie odpowiednie poprowadzenie ścieżek rozwoju swych przyszłych podopiecznych. Początki nie są łatwe i przez większość czasu grupa idolek nie zajmuje się niczym innym niż treningi.