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, decides 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 uses everything in his power to sabotage her.

Characters Introduced

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