You are critical indeed
I have to choose between:
Day 1
Important: Idoling, Up Up, Weather Girls, Shizukaze&kizuna, Starmarie, Dorothy Little Happy, Party Rockets, Predia, Babyraids, Bellring Shoujo Heart
Maybes: 3min, TSUKITOTAIYOU, Tokyo Girls' Style, Hime Carat, Maria, Yumemiru Adolescence, LINKS, LinQ, Ready to Kiss, Victory, Idol College, Afilia, Caramel, SO.ON project
Day 2
Important: Idoling, Up Up, Shizukaze&kizuna, Dempagumi, Dorothy Little Happy, Party Rockets, Passpo, Palet, Predia, Babyraids, Bellring Shoujo Heart, LoVendoЯ
Maybes: Idol College, Afilia, AYUMIKURIKAMAKI, ALICEINALICE, 3min, Starmarie, TSUKITOTAIYOU, SO.ON project, Tokyo Girls' Style, Hime Carat, Maria, Yumemiru Adolescence, LINKS, LinQ, Ready to Kiss
I see a lot of overlaps already