配信済Stream Ends If I Swear | Day 1 Idol Training w/ Getting Over It【V4Mirai | Serina Maiko】Serina Maiko Ch.【V4Mirai】配信開始2025-11-24 06:57:34配信終了2025-11-24 09:14:12配信時間2:16:38最大視聴者数230人PEAK同時接続数推移グラフ