"Butterfly" is Japanese singer-songwriter Kumi Koda's sixteenth single under the Avex sub-label Rhythm Zone."Butterfly" won the forty-seventh position at the Japan Record Award and placed fifty-sixth at NHK Red & White Singing Contest for the year.The B-side, "Taisetsu na kimi e", (大切な君へ / Important to you) was certified gold in full-length cellphone downloads.The music video for "Butterfly" carried a theme of empowerment, with the overall message of not being nervous to take control of any situation and that "all women are beautiful".This may have been due in part to the dance segment of the video, which was performed in a school hallway with Kumi dressed as an instructor.