【Birthday Concert】Birthday girl sings with all PRISM agents and friends!【PRISM Project】配信済Iku Hoshifuri / 星降いく【Cosmia】配信開始2023-10-01 11:58:18配信終了2023-10-01 15:07:50配信時間3:09:32最大視聴者数477人PEAK同時接続数推移グラフ
【Birthday Concert】Birthday girl sings with all PRISM agents and friends!【PRISM Project】配信済Iku Hoshifuri / 星降いく【Cosmia】配信開始2023-10-01 11:58:18配信終了2023-10-01 15:07:50配信時間3:09:32最大視聴者数477人
