Kousaka Shin harbors a strong ambition to become a doctor, despite her timid nature, youthful appearance, and other perceived shortcomings. Her dedication to this goal is unwavering. However, her teacher, Abe-sensei, expresses doubts about her suitability for the medical profession. This judgment sparks a rivalry between them. The situation becomes more complicated when Shin discovers that Abe-sensei is also her next-door neighbor, adding an unexpected challenge to her path toward becoming a doctor.