The upcoming live-action Princess Jellyfish movie is adding a bit of rock to its repertoire with band Sekai no Owari (aka End of the World) signed on to perform theme "Mermaid Rhapsody."

【主題歌決定！】『海月姫』の主題歌をSEKAI NO OWARIが担当することが大決定！！！曲は、撮影現場でインスピレーションを得て書き下ろしたその名も「マーメイドラプソディー」！映画にピッタリの世界観に仕上がっています！ #海月姫 pic.twitter.com/kdc1GJv2OH

— 映画『海月姫』 (@kuragehimemovie) September 23, 2014

マーメイドラプソディー、凄くお気に入り。俺はナカジン作曲、サオリちゃん作詞の中で一番好き。RT @nasakaojirin: @fromsekaowa 映画「海月姫」の主題歌は彩織さん作詞の「マーメイドラプソディー」！楽しみです！ pic.twitter.com/uqlvervoIP

— Fukase(SEKAINOOWARI) (@fromsekaowa) September 23, 2014

The adaptation of Akiko Higashimura's Kurage Hime/Princess Jellyfish manga features 20-year-old actress Rena Nounen as the lead, jellyfish otaku girl Tsukimi Kurashita. Nounen gained a national popularity by her portrayal as Aki Amano in the 2013 NHK Asadora Amachan. The story revolves around her with other various type of otaku residents at Amamizukan, a retro-style apartment building in Tokyo.

Taisuke Kawamura, who previously worked on several live-action adaptations based on popular manga series including Nodame Cantabile (Saishu Gakusho Kou-Hen in 2010), Kochikame - The Movie: Save The Kachidoki Bridge! (2011), and Himitsu no Akko-chan (2012), directs the film with a script by Toshiya Ohno (Suite PreCure♪, Gatchaman Crowds).

The live-action film Kurage Hime/Princess Jellyfish opens in Japan on December 27.

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Scott Green is editor and reporter for anime and manga at geek entertainment site Ain't It Cool News. Follow him on Twitter at @aicnanime.