Quiet, withdrawn 13-year-old Rynn Jacobs lives peacefully in her home in a New England beach town. Whenever the prying landlady inquires after Rynn's father, she politely claims that he's in the city on business. But when the landlady's creepy and increasingly persistent son, Frank, won't leave Rynn alone, she teams up with kindly neighbor boy Mario to maintain the dark family secret that she's been keeping to herself.

The King of the Flower Planet is dying, but his heir can’t take up the throne until the legendary Seven Color Flower, symbol of the King’s power, is found. The Angels Cateau and Noveau are sent to Earth to find the Flower Girl, a young female who descends from both humans and Flower Angels (who once inhabited Earth, long ago) – and they find Lunlun in France. They convince her to go in a long journey to find the Flower – she’ll know the good and bad sides of humans and Flower Angels (incarnated in the ambicious Togenishia and her sidekick Boris), and will fall in love with Serge Flora, a man who holds a great secret. (Anime-Sensei)

In the story, the seasons have changed and it will soon be the second spring. Tatsuya and Miyuki have finished their first year at First Magic High School and are on their spring break. The two go to their villa on the Ogasawara Island archipelago. After only a small moment of peace a lone young woman named Kokoa appears before them. She has abandoned the Naval base and she tells Tatsuya her one wish.