Otomegokoro (?) no Jiyuukei
乙女心（？）の自由形
Akira Kobayakawa agrees to join the all-female idol group Oyanko Sisters at the request of his younger sister. His participation is framed as a favor, indicating a personal obligation rather than a career choice. The narrative focuses on his experience within the group, though no further details about his role or the group's activities are provided.