On one side is the chubby older sister and girl, and on the other is the school idol who is so mysterious that no one knows about it. On one side is the mystery of the sophomore in high school, and on the other side is the confession of the top student in the same class. How should she choose? Should we be brave enough to "chasing dreams" or should we face reality? Is the so-called love just deception? Or... There is something else hidden.