Upon being sent to live with relatives in the countryside due to an illness, an emotionally distant adolescent girl becomes obsessed with an abandoned mansion and infatuated with a girl who lives there - a girl who may or may not be real.

Based on the best-seller book 'The Little Prince', the movie tells the story of a little girl that lives with resignation in a world where efficiency and work are the only dogmas. Everything will change when accidentally she discovers her neighbor that will tell her about the story of the Little Prince that he once met.

新田义史（中岛良树 配音）是就职于芦川组的黑社会干部，虽然长相非常的凶恶，从事的也是令人闻风丧胆的职业，但实际上，新田义史拥有一颗十分善良的心灵。一天，一个神秘的椭圆形物体掉落到了新田义史的房间里，在那里出现了一个美丽的少女雏（田中贵子 配音）。面无表情的雏向新田义史强大的念动力，迫于雏的淫威，新田义史不得不让她以女儿的身份住进自己的家中，就这样，黑社会人事和超能力少女的同居生活开始了。 因为拥有非常强大的力量，雏常常会失控暴走，制造了一堆麻烦留给新田义史来扫尾。起初，“父女”两人之间的关系十分紧张，但随着时间的推移，竟然真的生出的亲情。

In their last year of high school, two girls in the brass band club perform a song inspired by a fairy tale that parallels their friendship.

2015 film by Hirokazu Koreeda