The Oshi no Ko manga has reached its final arc, where the main characters Aqua Hoshino, Ruby Hoshino, Kana Arima the tsundere, and more will face their final challenges. Fortunately for Ruby, her foster mother Miyako Saito is tirelessly supporting her in this critical phase of her career.
Source：https://www.cbr.com/osho-no-ko-miyako-saito-andruby-hoshino/
