A boy, the son of famous musicians, is kicked out of a music university when he spends too much time with tending plants. A flower fairy helps him out as thanks for his treatment of the plants.
While exploring ruins on Angel Island, a doctor finds a myserious newborn bird called Kyoro-chan. Together they form a bond and decide to travel the world together. Three years later when the Doctor and Kyoro-chan try to return to Angel Island they become shipwrecked from a storm. Kyoro-chan was able to make it safely to the island but the Doctor was nowhere to be found. Kyoro-chan prays for his safety and hope he returns as he now starts his new life on Angel Island.
The Yomota family is small and typical: father Kinekuni (42), mother Tamiko (38), and son Inumaru (17). One day, a beautiful girl appears at their front door, calling herself "Maroko Yomota," granddaughter of Inumaru who travels back in time with a time machine to visit her ancestors. Despite of Tamiko's strong objection, Kinekuni and Inumaru welcome her to stay with them, and the structure of a happy family has begun to collapse.
