第1話: 3人が3周年コンサートに出席、アイドルはキャリアの危機に直面
2021年1月8日 放送
Only three people show up to their third anniversary concert. Sensing that their careers are in crisis, Aina, Ami, Shiori, and Ruka enthusiastically plan for their concert one year for now, but... (Source: Crunchyroll)