The first round of the "Tiara☆Stars" live, "Miracle" VS "Altair," has concluded, and Yuuhi and Yasumi have finally decided to challenge the girls of "Alfeka." Led by the young and popular voice actress who has regained her momentum, they face the solid team of "Alfeka." The two decide to temporarily cease hostilities and cooperate to mentor their juniors and strengthen the team. However, the older newcomer, Hagoiri Mato, expresses dissatisfaction with the focus on live performances, questioning the idol voice acting activities. Chika, seeing her own past self in Mato, tries to engage in conversation with her, albeit awkwardly――.