Not a rental. Oshi no Ko Volume 7 "For me, acting is revenge." Arima Kana, a former child prodigy, and Kurokawa Akane, the current ace of "Gekidan Lalalai," clash on stage, fueled by their childhood connections! And what path will Hoshino Aqua, who confronts his own trauma for "emotional acting," take as an actor!? The 2.5-dimensional stage arc, Chapter 5, reaches its climax!! Oshi no Ko Volume 8 "If it's with Aqua-kun... I don't mind even kissing or doing the deed?" Hoshino Aqua, having learned the truth about his father, finds his desire for revenge against the "entertainment industry" waning. Meanwhile, the newly formed "B Komachi," including Hoshino Ruby, decides to film a music video to boost their popularity on YouTube!! Aqua and Kurokawa Akane also accompany them to "Takachiho, the City of Mythology," also serving as a慰安 for the 2.5-dimensional stage. It's also the place where Aqua and Ruby from their previous lives died... Oshi no Ko Volume 9 "Ruby... she must have something special..." In Takachiho, the City of Mythology, where they went for the music video shoot, Ruby learns that the person who killed Ai was a two-person team. She can't forgive one of them for still living comfortably... and vows revenge, to kill them with her own hands. Oshi no Ko Volume 10 "How much of this is your doing? ...Or rather, where does your doing begin?" Ruby, who is a reporter, is involved in a "cosplay special" on a net TV variety show, which develops into a "firestorm" due to the lack of consideration for cosplayers. Ruby, burning with "revenge," even uses this incident...!? Furthermore, Aqua gets closer to the truth behind Ai's murder. Oshi no Ko Volume 11 "This entertainment industry is running while destroying the hearts and lives of children." Ruby, who strongly holds anger towards the true culprit who killed Ai and Gorou, rises through the entertainment industry, creating cracks everywhere. Meanwhile, Arima Kana, who has begun to worry about her idol activities, connects with a major film director at a drinking party she attended hoping to get acting work. However, this is about to develop into a "scandal." Oshi no Ko Volume 12 "What does a lie mean to Ruby?" Arima Kana is photographed by a weekly magazine entering and exiting the office apartment of the major film director, Masanori Shima. Aqua proposes a barter article to cover up this "scandal," and the public learns about Ai's pregnancy at the age of 16 and their true identities. #OshiNoKo #AkaAkasaka