Set in Kawasaki, Kanagawa Prefecture,[1] the series follows Nina Iseri, a high school dropout who moves to the city to prove she can live by herself and be successful.

After merging, their new name originates from Nina reading an audience member's shirt saying "Togeari Togenashi" during their Suwa live house gig.

Hirayama enlisted the assistance of Kazuo Sakai and Jukki Hanada, staff he had worked with on Love Live!

[14] Hirayama then approached Kenji Tamai of Agehasprings [ja] around the end of 2019 to compose the music for the project and scout and manage the talents to form the band.

[16] Hirayama cited the projected economic loss from the 2020 Tokyo Olympics and the concurrent COVID-19 pandemic as inspirations to make the story grounded in reality, basing it around the hardships of being a musician.

He also shared that although the auditions received several applications, there was difficulty in choosing candidates who had proficient skills in both music and voice acting, leading the process to take more than a year and half to find the necessary talent.

Toei Animation digitally released the series on Microsoft Movies & TV, Fandango at Home, Hoopla, and Prime Video on August 13.

[38] On September 13, at the end of Togenashi Togeari's second live concert, it was announced that a two-part compilation film is in production.

[45] After the finale aired, the project tweeted on its official Twitter account that the story will still progress in the future and it, alongside Togenashi Togeari, shall continue to be supported through its real-life activities.