It begins in the form of a diary, recording the ambiguous emotions between a social human being who has been hanging around in society for a long time and a college student. It has the popular sister-brother relationship, and has the shadow of the Tokyo love story that was popular in the 1990s. I like the most classic sentence in the article, which is also the most ordinary and unforgettable sentence: "Innocent, childish, unrealistic, and not stupid!!..."