NanaStar Sisters idols (38 idols), KARAKURI (Rival Idol Group), and Seventh Sisters (6 idols) are playing instruments like the girls band 4U (3 Rival Idols) for 4U songs and The QUEEN of PURPLE songs. Here are the idols.

Haru Kasukabe - Guitar

Musubi Tendoji - Bass

Rona Tsunomori - Bass

Hime Nonohara - Drums

Momoka Serizawa - Drums

Sumire Usuta - Guitar

Sui Kamishiro - Guitar

Shizuka Kuonji - Keyboard

Alessandra Susu - Bass

Sawara Harumi - Keyboard

Kajika Harumi - Guitar

Shinjyu Harumi - Drums

Sisala Kawasumi - Guitar

Kyoko Uebasu Uesugi - Guitar

Mimi Futagawa - Bass

Ferb Seto - Bass

Kazumi Katsuragi - Keyboard

Rena Araki - Bass

Honoka Nishizono - Drums

Makoto Tamasaka - Drums

Madoka Enami - Bass

Risyuri Maezono - Keyboard

Yumeno Sakaiya - Guitar

Tasha Romanovsky - Bass

Jedah Diamond - Drums

Sawori Yamai - Drums

Monaka Kumomaki - Drums

Ei Yukuhashi - Bass

Matsuri Mimori - Drums

Tomoe Yukuhashi - Guitar

Miu Aihara - Keyboard

Xiao Fei Hung - Drums

Manon Hoshigaki - Guitar

Chacha Ootori - Keyboard

Murasaki Echizen - Guitar, Vocals (Only in The Queen of Purple (TQoP for short) songs)

Miwako Azami - Keyboard

Ayumu Orikasa - Keyboard

Shirayuki Arisu - Drums

Ume Kujyo - Guitar

Emoko Wanibuchi - Bass

Hina Saeki - Drums

Hitoha Karakuri - Guitar

Futaba Karakuri - Bass

Nicole Nanasaki - Guitar

Mito Hanyuda - Guitar

Mana Misonoo - Keyboard

Qruit Kotobuki - Drums

Rui Wakaoji - Bass

Memoru Yusa - Keyboard