Synopsis: Ito Shimada is a young man of 17 years old who is going to find five childhood friends that he has lost sight of for years. But many things are going to change, and it turns out that he is being harassed by his classmates, but also by the other students of the high school. This harassment is due to the fact that his mother and father had a difficult separation, and also because even if they have no debt, he and his family are not very rich. Moreover, he doesn't have many friends, but he can count on his older sister who is one year older than him.