17岁的龙崎桃子（深田恭子饰）住在茨城县下妻，她喜欢洛可可风格的打扮，并向往中世纪的法国。和桃子同校的高二女生白百合草莓（土屋安娜饰），是一个整天骑着重型摩托车的“飙车帮恶女”。
The protagonist of incest movies; Gli sforati”；， Also known as Drifters in English, it is M è te. He is a 30 year old handwriting expert who is fascinated by the secrets of human hands that can be revealed. A week before his father got married, his 17-year-old stepsister moved to his Romanesque apartment. She is a very hot and sexy teenager, and this new community is now the beginning of their friendly (well, not entirely friendly) relationship.
事实证明，这个名叫西尔弗的男孩不是人类，一旦被人类触碰，他就会消失。在接下来的几天里，Ying和Yin成了好朋友，他们来到森林的每一个角落玩耍。日复一日，年复一年，每年夏天，萤火虫都会如期来到森林，与它们的好朋友见面。她遵守了与西尔弗达成的协议，从未以任何方式触碰过自己的身体。随着年龄的增长，Yuki和Yin对彼此的情绪悄然发生了变化。他们都期待着重聚的那一天，并互相拥抱。。。这部电影改编自奥克川由纪的原作。
