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Ishihara Santaro, a demonstration salesperson for home appliances, is approached by an old man, his former teacher, who asks him to become a teacher at Sakurayama General Hospital.
Tagawa praises Ishihara for trying to teach the class while wearing a red nose. The conflict between the two continues, the surrounding teachers and nurses are also amazed at the two people.
A freshman comes in Tagawa's class, Chika Morimura, who suffers from diabetes.
Tagawa's scream suddenly rises from the classroom.
Summer has come and the students are going home, but Yaegashi and Wada cannot leave the hospital.
While Sakurayama General Hospital officials were excited at a social gathering, Nanase did not show up.
Ishihara collapses during class and has to be hospitalized.
While Ishihara is teaching, an unknown man enters his class and starts teasing him.
Ishihara and Tagawa pledge to do as much as possible for their students until the classes are closed.
Ishihara continues his class with Wada. Meanwhile, Yaegashi is discharged.
