Rythem is a Japanese pop duo signed to Sony Music Japan consisting of two female members, vocalist/pianist and vocalist/guitarist . Rythem was active from 2003 until 2011; in 2021, they announced their return to performing on their official YouT ...

's fourteenth (fifteenth overall) single. It was released on February 20, 2008 under the

Sony Music Entertainment Japan , often abbreviated as SMEJ or simply SME, and also known as Sony Music Japan for short (stylized as ''SonyMusic''), is a Japanese music arm for Sony. Founded in 1968 as CBS/Sony, SMEJ is directly owned by Sony Group Corporation and is opera ...

label. The title track was used as the theme song for Nikkatsu Co. Ltd.'s film entitled ''Naoko''. Aishikata was used as the campaign song for Nippon Travel Agency Co., Ltd.'s ''Akai Fuusen Sotsugyou Ryoukou''. While Nekoze (acoustic version) was used as the theme song for Nippon TV's ''Shiawase no Shokutaku''. This single contains a limited and regular edition and these two editions have different track listing. The item's stock number is AICL-1916.

Limited edition track listing

#Kubisuji Line #:Composition/Lyrics: Yui Nītsu #:Arrangement: Shin Kouno #Aishikata #:Composition/Lyrics: Yui Nītsu #:Arrangement: Shin Kouno #Nekoze (acoustic version) #:Composition/Lyrics: Yui Nītsu #:Arrangement: Yuuta Saitou

Regular edition track listing

#Kubisuji Line #Aishikata #Kubisuji Line (acoustic version) #Kubisuji Line (Minus YUI vocal) #Kubisuji Line (Minus YUKA vocal)

Charts and sales

2008 singles Rythem songs Songs written for Japanese films 2008 songs {{2000s-Japan-single-stub