本片由曾有照顾母亲经历的中川导演执导，是一部半自传性质的作品。故事讲述面临人生抉择的高三学生藤村佑（山时聪真 饰），与身患重病却始终关爱儿子的母亲美咲（菅野美穗 饰）之间的亲情故事。在命运与时间的交织中，母子二人一同面对生命的无常与温柔，展现出深沉的爱与别离的勇气。

A high school class is learning about LGBTQ, but the students grow suspicious when they realize that no other classes have such lessons. Is there a queer student in the class?