Previously bullied in middle school, Uka Ishimori is determined to make her high school experience a more positive one. However, old habits die hard, and she has not been able to make friends or shake off her ingrained fears. That all changes when Kai Miura, a popular blond-haired classmate with a devil-may-care attitude but a kind heart, steps up to help her fend off a clique of old bullies.