[1] The trio was part of Japan's cultural propaganda efforts during the Second World War, aimed at promoting the Greater East Asia Co-Prosperity Sphere—a concept that sought to create a bloc of Asian nations ruled by Japan, ostensibly free from Western imperialism due to being controlled by the Japanese colonial empire.

[1] The song's lyrics describe each culture as its national flower, chrysanthemum for Japan, orchid for Manchuria, and plum blossom for China.

[1][3] The B-side track was "Kokoro ni saku hana" (心に咲く花, "Flowers Blooming in My Heart"), a ryūkōka sung by Ri Kōran, also about the three girls.

[1] On the album cover, each girl is depicted wearing her respective national costume while holding flowers and smiling.

[1] The group consisted of three young singers, each representing a national identity within the Greater East Asia Co-Prosperity Sphere:[1] Ri Kōran was ethnically Japanese, but was born in what became Manchukuo and selected for the group in part for her ethnically ambiguous appearance.