is Rythem's fourteenth single. It was released on February 20, 2008 under Sony Music Entertainment Japan

Sony Music Entertainment Japan

is Sony's music arm in Japan. SMEJ is directly owned by Sony Corporation and independent from the United States-based Sony Music Entertainment due to its strength in the Japanese music industry....

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 tracklisting. The item's stock number is AICL-1916.

Limited Edition Track listing

1. Kubisuji Line

   Composition/Lyrics: Yui Nītsu

   Arrangement: Shin Kouno

2. Aishikata

   Composition/Lyrics: Yui Nītsu

   Arrangement: Shin Kouno

3. Nekoze (acoustic version)

   Composition/Lyrics: Yui Nītsu

   Arrangement: Yuuta Saitou

Regular Edition Tracklisting

1. Kubisuji Line
2. Aishikata
3. Kubisuji Line (acoustic version)
4. Kubisuji Line (Minus YUI vocal)
5. Kubisuji Line (Minus YUKA vocal)

Charts and sales

Oricon Ranking (Weekly)	Sales
24	6,781