It tells the story of a girl who has been in love with someone from junior high school to high school. In her sophomore year of high school, her mother remarried. Unexpectedly, the son of the family she remarried was the person she liked - the male idol suddenly became her stepbrother.
Purpose: The ignorant secret love of young people, in the collision of reality with sudden identity changes, explores the boundaries of emotion and ethics, and the re-understanding of "like" in growth.