There are some things in this world that you think have passed, but in fact they are not over yet; what you think is over, have not passed. The boyfriend who disappeared a year ago, the classmate who was more than friends in the new high school, the brother who has a bad relationship to a certain level, the roommate of the brother who is a "fallen aristocrat", and the delinquent boy who made the brother willing to be slapped, kicked and abused in all aspects of body and mind. All of this made An Miao want to ask: Is this really the case? When did this world become like this that I can't understand the most? Are the original simple warmth really missing?