Having recently switched schools, Misao hasn't been able to make any friends and has been targeted by a group of aggressive girls in her class. But with the return of Sae, everything changes. Sae is a natural at everything and everyone loves her, but she's only interested in being friends with Misao. The bullying stops abruptly and Misao feels ecstatic to be the best friend of the most popular girl in school. However, things take a turn for the worse when Sae starts controlling Misao's social life, leaving her isolated from potential friends. Sae's friendship soon becomes a nightmare, leaving Misao in a tough spot. Fortunately, someone steps in to help her break free from Sae's clutches. But, has it already gone too far?