A story of a colorful journey following the sound of rain.

A rabbit, listening to the sound of rain under a red roof, encounters an orange carrot, a yellow butterfly, a green tree, a blue puddle, a friend with an indigo umbrella, and a lilac flower. As you turn each page upward, the rainbow colors appear in the sky.

Each scene portrays rain in a different way, and readers can follow along with various onomatopoeic and mimetic words related to rain, embarking on a colorful journey. The final page includes sheet music for a rainbow song, allowing readers to feel the lively, refreshing imagery of raindrops and the sense of wonder when encountering a rainbow after the rain.