Show Business

ARC Entertainment WorldEntertainment World (芸能界) is the second arc of Oshi no Ko manga series. It span the entire second volume of Oshi no Ko, and tells the story of the twins entering high school and becoming a teenagers, and slowly working themselves into the entertainment world for their own personal reason.

Summary
Ruby Hoshino, now a teenager, takes an audition to become an idol as her mother always wanted her to be. However, Aqua strongly opposes this out of fear of losing her like Ai and sabotages her.

At the same time, the twins begin preparing to enter high school, causing Aqua to once again cross paths with Kana Arima. This ironically leads to him entering the entertainment world himself by getting recruited for the live-action adaptation of the manga Sweet Today, which he accepts since the producer might be connected to his mother.

Characters Introduced

 * Taishi Gotanda's Mother
 * Masaya Kaburagi
 * Melt Narushima
 * Yoriko Kichijouji
 * Frill Shiranui
 * Minami Kotobuki