A re-edited drama version of the movie Kyrie no Uta.
A young girl named Ruka who had been living a vagabond life in Osaka, is taken in by an elementary school teacher named Fumi. She spends time in Obihiro, Hokkaido, with her sister’s boyfriend Natsuhiko and forms a friendship with high school student Maori. However, the fate that awaits her has always been cruel. Ruka arrives in Tokyo and becomes a musician, singing on the streets under the name “Kyrie.” There, she reunites with Maori, who now goes by the name “Ikko.” Ikko survives in Tokyo through her ever-changing cosplay outfits and various relationships with men. Ishinomaki, Osaka, Obihiro, Tokyo— A grand lyrical poem woven by Ruka, who struggles to live earnestly despite being at the mercy of fate.
大阪で放浪生活を送っていた少女・ルカは小学校教師のフミ(黒木華)に保護される。姉の恋人だった夏彦(松村北斗)と北海道帯広で過ごし、女子高生マオリ(広瀬すず)との友情を育むが、彼女を待ち受ける運命は常に過酷であった。東京に辿り着いたルカ(アイナ・ジ・エンド)はミュージシャンとなり、キリエとして路上で歌い始める。そこで再会したマオリはイッコと名乗り、変幻自在なコスプレと男性関係で東京を生き抜いていた。石巻、大阪、帯広、東京―。運命に翻弄されながらも懸命に生きるルカによって紡がれる壮大な歌の抒情詩。