Hikaru Kamiki「神かみ木き ひかる, Kamiki Hikaru?」 is the main antagonist of the Oshi no Ko manga series. He is the man who fathered Aqua and Ruby with Ai Hoshino and the person implied to have leaked Ai's address to a disgruntled fan, leading to her death and prompting his son to devote his life to tracking him down and getting revenge. He is the president of Kamiki Productions.