It is the second installment of the Girls × Heroine Series produced by Takara Tomy and OLM, Inc. with the assistance of Shogakukan and EXPG Studio, following the success of Idol × Warrior Miracle Tunes!

[2] The series stars Yuki Miyoshi, Momoka Sumitani, Misaki Tsuruya, Youka Ogawa, and Kurea Masuda.

The plot is centered on the Magimajo Pures, a group of middle school girls who transform into Magical Heroines to protect people's dreams from the Nuisance World.

[18] The series' name and cast members Yuki Miyoshi, Momoka Sumitani, and Misaki Tsuruya, were first announced on during the show's debut showcase on January 30, 2018.

[19][1] Prior to being cast, Momoka Sumitani, Youka Ogawa, and Kurea Masuda were part of EXPG Studio's female U-14 trainee group, Kizzy.

[20][21] A toy line was produced by Takara Tomy, featuring magical items, accessories, and costumes from the show.

[23] The first opening theme song, "Ai ni Tsuite", was first performed at Miracle²'s final concert tour in March 2018.

[3] Asaka Uchida, Suzuka Adachi, Yuzuha Oda, Rina Usukura, and Mio Nishiyama reprised their roles from Idol × Warrior Miracle Tunes!

[41] Momoka's Magical Heroine outfit was made available in the game Kiratto Pri Chan for the characters Mirai, Emo and Rinka through a card exclusively released in Pucchigumi on December 27, 2018.