B-Komachi (Ｂ小町) is a fictionnal idol group from the anime Oshi no Ko. The group has currently 2 incarnations, sharing the same name. The original incarnation consisted of Ai Hoshino (CV: Rie Takahashi) and three other members. After more than ten years of activity, it disbanded two years after Ai's death, which was its ace and center. Its current incarnation has three members: Ruby Hoshino (CV: Yurie Igoma), Kana Arima (CV: Megumi Han) and MEM-cho (CV: Rumi Ookubo).