Nao fails entrance exams and enrolls at a technical high school. She's one of just 3 girls and the only girl in her class of 148 freshmen.

Nao Yoshino is a girl who fails the entrance exams of her target high school. She winds up enrolling in a technical high school called Kenritsu Asuka Kougyou Koukou, also known by the nickname "Asuko." Out of the 148 entering freshmen, only three are girls, and Nao is the only one in her class.