Kotori Yubo, who joined the "Kotori Yu Office" run by his father, will be in charge of the manager of the idol group before his debut. Seven people were introduced there: Izumi Izumi, Yamato Nikaido, March Izumi, Tamaki Yotsuba, Sogo Osaka, Nagi Rokuya, and Riku Nanase. Each of them has a unique charm, and they have a mysterious charm that makes them want to support them. However, at the president's order, only three people can make their debut ... An audition will be held to select the member.

"" Formed after audition IDOLiSH7". First of all, the goal is to raise the name by repeating live performances, and Spinning immediately plans a live performance. The venue was the open-air concert hall, which can accommodate about 3,000 people. I'm surprised at the size of the scale, but it's an important first live for the members. Seeing the official website and the appearance of spinning working hard to make a flyer for promotion, everyone helps with promotion between lessons. And finally, the day of the concert will come ...

IDOLiSH7 decided to enter the dormitory of the Kotori Yu office and live a communal life in preparation for full-scale idol activities. Ichiori, who volunteered to cooperate with Spinning, proposes to decide on a center that will be involved in the future route of the group. Spinning imagined "an idol who is loved by everyone and gives dreams and hopes." There was only one answer as to who was the best fit for the concept. IDOLiSH7, whose direction has been decided in this way, first begins live activities on the street.

IDOLiSH7 will be suspended for a month before watching TRIGGER's live performance in order to raise awareness as an idol. As the enthusiasm for resuming activities gradually increased, Ichiori expected that TRIGGER's live performance would be a good stimulus for them. And on the day of the live. Nagi, Tamaki and Yamato, who are late for the meeting and run desperately, encounter an unexpected person on the way to the venue. Meanwhile, at the live venue, Riku was trying to reveal the secrets of Sogo and his friends.

IDOLiSH7 and others who were inspired by TRIGGER's live and danced outside the venue. Yamato and Spin visit the Yaotome office to apologize, where they meet Heaven. Meanwhile, IDOLiSH7, who has resumed activities, begins a new song lesson. While the members are worried about Riku, who will soon be out of breath, Ichiori notices a change in Riku. On the day of the announcement of the new song, which was greeted with anxiety, IDOLiSH7 will perform a live concert for those who are stuck at the station although it was raining heavily at the live venue.

IDOLiSH7, which became a hot topic at the station-front live concert in heavy rain, gradually gained popularity. Tickets for the same outdoor venue as the first live were sold out in a blink of an eye, and Riku and his friends performed their best in front of the crowd. Members who survived the accident with a quick wit while troubles occurred in the audio equipment at the timing of the TV broadcast and anxiety spread in the venue. In this case, Tamaki and Sogo attracted attention and gradually became more popular.

Sosuke Yaotome, who is trying to pull out the rising popularity of Tamaki and Sogo, has taken advantage of the weaknesses of Tamaki who hastened his debut and invited them. After learning about the circumstances of Tamaki, Riku and his friends talk directly to President Kotori Yu so that he can make his debut as IDOLiSH7. However, the president's decision is to make a debut with only Tamaki and Sogo, who were targeted by Yaotome, based on the possibility that all seven of them will make their debut in the future. At that time, IDOLiSH7 receives a request to appear in the music program "Music Festa".

IDOLiSH7 will appear on the popular nationally broadcast music program "Music Festa" where gorgeous artists gather. If you raise your name at once here, it will lead to a chance to debut with seven people. Riku and his friends are excited about the atmosphere of the TV station and increase their tension. However, due to a sudden change in schedule, the turn comes earlier than planned. IDOLiSH7 will be in production in a state that is not perfect, but ...

President Kotori Yu told Tamaki and Sogo that their debut was officially decided. The two renew their determination to pave the way for seven people to debut as IDOLiSH7 someday. IDOLiSH7 enjoys a vacation at the campsite at the behest of the president. Everyone will share roles, and while fishing and making curry, we will deepen exchanges with each other. At night, the game is exciting, and IDOLiSH7 enjoys a moment of peace.

Tamaki and Sogo continue to play an active role as "MEZZO". On the other hand, IDOLiSH7 will start the online distribution program "Kimi to Ai Drish" as a place for new activities. The appearance of the seven people showing the exchange gradually attracts attention. At that time, Yamato is offered to appear in a drama, but Yamato is not enthusiastic at all. Even if Spin asks why he avoids drama work, Yamato lightly dodged ──

IDOLiSH7, whose debut has been officially decided, will visit Okinawa to shoot the PV of their debut song. At the hotel he is staying at, he happens to encounter TRIGGER, and Riku tries to call out to heaven, but he ignores heaven and leaves. On the other hand, the staff of the program that appeared under Tamaki and Sogo, who are in charge of the work of IDOLiSH7 and MEZZO ″, propose a project in Tamaki. An unexpected incident happened at the Kotori Yu office ...

Although they made their long-desired debut as IDOLiSH7, Riku and his friends have mixed feelings about the whereabouts of their debut song. However, the regular title program was decided, and the seven people regained their feelings and started the album tour. Tamaki and Sogo manage an overcrowded schedule that balances MEZZO ”and IDOLiSH7 work, but Sogo, who also serves as a follower of Tamaki, gradually gets tired. The crown program is returned to a blank slate.

Sogo finally collapsed due to stress. Tamaki apologizes for his burden, but says that Sogo may quit IDOLiSH7 and MEZZO, because of the complex relationship between Sogo and his father. IDOLiSH7 reunited their feelings by overcoming the difficulties together. Later, when he learned that TRIGGER's music had recommended him when he appeared in "Music Festa," he visited the dressing room to thank him. Heaven meets there and entrusts Spin with a message to the land.

IDOLiSH7 continued to play an active role and appeared in the popular live music program "Soundship". The bleachers in the studio were all fans of TRIGGER, who is also a performer, but the seven people who tried their best to entertain the people in front of them were surrounded by big applause and cheers. Around that time, behind the scenes, a trouble occurred between the program side and the Yaotome office, and TRIGGER could not appear. IDOLiSH7 decided to act as a bird of the program on their behalf ...

IDOLiSH7's malicious gossip articles are now appearing in magazines and online, and a disturbing atmosphere begins to drift among members who tend to be busy and threaded. At that time, Raku, who visited Spinning about the quarrel between President Kotori Yu and President Yaotome, was shocked to find out why IDOLiSH7 was able to sing TRIGGER's song perfectly in "Soundship" in the conversation. To do. Meanwhile, the director, who had promised to help Tamaki in his search for his family, announced that he could meet again on the show.

IDOLiSH7 is told by the president that he will be disbanded because he is not happy with the nomination for the Japan Idol Music Award (JIMA) New Face Award. In a place where you can see the land of your dreams, Zero Arena, the landmen face each other's original intentions ....

Riku and his friends receive important advice as idols through a sudden exchange with world-famous musician Douglas Rootbank. And New Year's Eve ── The stage of the decisive battle "Black or White" opens!