Sousuke Yaotome, president of Yaotome Productions, approaches Tamaki and Sougo with a tempting offer. Sougo brushes him off, but Tamaki can't seem to walk away from the deal. Is this the end of IDOLiSH7...?

IDOLiSH7 is asked to appear on the popular music program Music Festa. However, their exciting opportunity doesn't go exactly as planned. Will they be able to give the performance of their lives, or does disaster await?

Sougo Osaka and Tamaki Yotsuba are set to debut with Takanashi Productions as duo "MEZZO." But first, the group goes camping by the river, where they learn more about each other and strengthen their friendships.

IDOLiSH7 begins hosting a web show to promote themselves. Though the production is far from perfect, everyone seems to be enjoying it.

Meanwhile, Yamato receives an offer to appear in a TV drama...

Press conferences, an album tour, and even a TV show. Things are starting to look up for IDOLiSH7.

However, with their exhaustion finally catching up to them, the future doesn't look so sunny for MEZZO"...

While recovering in the hospital, Sougo reveals his past and reason for becoming an idol to the other members of IDOLiSH7.

Meanwhile, Tenn grows increasingly suspicious of the origins of TRIGGER's new song.

IDOLiSH7 is invited to perform on Sound Ship along with various other artists, including TRIGGER. Given TRIGGER's popularity, it's no surprise that most of the fans in the audience are here to see them. IDOLiSH7 puts on a great performance regardless, but Riku notices that TRIGGER still hasn't come to the stage...

Scandalous and malicious articles about IDOLiSH7 begin popping up more and more in tabloids. Unsure of what is true and what isn't, the members begin turning on each other. Amidst rising tensions, Tamaki is asked to appear on a TV special featuring his emotional reunion with his family, but...

IDOLiSH7 wins the JIMA New Artist award, which means they'll compete against TRIGGER at Black or White! Their work has earned them the attention of Douglas Rootbank, a famous American pop-rock artist. While Iori and Tamaki wait for the others to show up for their group meeting, a strange looking maintenance employee shows up...

Yuki declares that he'll recommend IDOLiSH7 for the currently undecided performance slot at the Zero Arena inaugural concert. Zero Arena's general manager is scheduled to come to their next concert, so Tsumugi, who is in charge of the group's stage production, heads to Zero Arena to gather ideas. There she encounters a gentleman who claims to have worked in stage production in the past. Tsumugi's heart is moved by the way he describes his feelings towards idols standing onstage. His hints help her finish the set, and the concert begins!

Re:vale brings a new offer to the table: for IDOLiSH7 and TRIGGER to appear as surprise guests at Re:vale's fifth anniversary Zero Arena inaugural concert, and for the two groups to perform together as one special group.

IDOLiSH7 and TRIGGER begin practicing as a special unit for Re:vale's 5th anniversary concert. While many of the members are off their game, Gaku, Tenn, and Ryunosuke discuss their thoughts, and the individual groups begin to open up to each other.

IDOLiSH7 is accused of appropriating Zero's songs, so Takanashi Production holds a press conference. Nagi volunteers to face the press and explains that he was officially given the rights to the song by composer Haruki Sakura. However, a suspicious man dressed as Zero appears at the press conference, aggravating the scandal.