- Natsu Hanabi (夏花火)
- Catalog Number
- Natsu Hanabi (夏花火; Summer Fireworks)
- Ai-Ai-!!! (Love-Love-!!!)
- Natsu Hanabi (Yosakoi Gyaru de Nadeshiko ver.)
- Natsu Hanabi (Instrumental)
- Ai-Ai-!!! (Instrumental)
"Natsu Hanabi" is the ninth single released by sifow and fifth under avex trax. The title track was used as the TVS show "DEEP ★ PARADISE"'s ending theme. The single failed to chart on the Oricon Charts.