It was announced with the tagline 'Let's Fly Past That Rainbow'. On December 15, at the end of Day 2 of Love Live! Nijigasaki High School Idol Club First Live with You!, it was announced that an anime adaptation for the spin-off project is in development. Love Live! Nijigasaki High School ~After School Broadcast Room~ (ラブライブ！虹ヶ咲学園～放課後放送室～) main personalities are Natsumi Murakami, Maria Sashide, and Moeka Koizumi. Love Live! Nijigasaki High School ~Good Morning Broadcast Room~ (ラブライブ！虹ヶ咲学園〜おはよう放送室〜) main personalities were Kaori Maeda, Akari Kito, and Tomori Kusunoki. Love Live! Nijigasaki High School ~Lunchbreak Broadcasting Room~ (ラブライブ！虹ヶ咲学園～お昼休み放送室～) main personalities were Miyu Kubota, Tomori Kusunoki, and Chiemi Tanaka. The main personalities were chosen via voting.

New episodes are published on HiBiKi Radio station. The radio program includes radio dramas of the Nijigasaki girls as well as other information.

Unlike the existing manga, Nijiyon animation features Yu Takasaki. Nijiyon animation was announced during Day 2 of Nijigasaki High School Idol Club 5th Live! Nijigasaku Basho Next TOKIMEKI and premieres on January 6, 2023. Season 4 is also in video format and are published on Love Live!'s official YouTube channel every Tuesday from Jto January 18, 2022. New episodes were published on Love Live!'s official YouTube channel every Tuesday from Jto December 29, 2020. Season 3 episodes are in video format with 'action', voice, and BGM. Season 1 is on the School Idol Festival: ALL STARS website. The comic is illustrated by Miyakohito and new chapters are published during Tuesdays.

Nijiyon (にじよん) is an official 4-koma series that depicts the lives of the Nijigasaki High School Idol Club. Setsuna Yuki - (Leader/Founder Original) (Choreographer).Yu Takasaki - (Manager/Founder) (Composer).

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