"Koi Tsubomi" is a standalone single released by Hanako Oku in 2005. The song is notable for its incorporation of electronic elements into her signature piano-pop sound.
- The single was released on February 15, 2005, by Pony Canyon.
- "Koi Tsubomi" reached number 49 on the Oricon Singles Chart.
- The single was released during a period of significant creative output for Oku, following her debut album.
Hanako Oku is a Japanese singer-songwriter known for her piano-driven pop music. She debuted in 2004 and quickly became associated with the Shibuya-kei scene.
Tracklist
