Kusaichigo, a low-ranking maid in the imperial harem, spends her days mostly weeding grass. But she has one special talent. That is "Hanayui" — the art of arranging Iyuka, the flowers that bloom from women’s heads, symbolizing both life and dignity. Though she once dreamed of becoming a Hanayui Master, she had mostly given up on that path. However, one day, a consort whose Iyuka had withered comes to Sōbō seeking help… Her flower-arranging skills — and the power of her own Iyuka — may become the key to saving the entire imperial harem…!?