Butterfly is the sixteenth studio album by Japanese pop band Deen.

It was released on 1 June 2016 under the Epic Records Japan label.

This album includes completely new tracks with several tracks of their big hits such as Hitori Janai, Smile Blue and coconuts feat.kokomo with completely new arrangement of the summer feeling.

Shinji and Kouji in this album perform their own original songs Climb High and Walking on Sunshine.

[3] All lyrics are written by Shuuichi Ikeda (expect of #4 (Yumi Matsutoya), #8 (Kouji Yamane) #9 (Kazufumi Miyazawa))