'Kingyo Hanabi' is a simple video that shows Otsuka singing underwater and on a small island during dawn/dusk. While Otsuka is on the island, she holds a firework in her hand that emits golden sparks, which then rain down around Otsuka who is under the water.
'Kingyo Hanabi' is an uncomplicated animation showing Otsuka singing while submerged and standing on a small island at dawn/dusk. As Otsuka stands on the island, she holds a firework that emits golden sparks, which then fall down around her as she remains underwater.