Nozomu tries to hang himself, but is prevented from doing so by an overbearingly cheerful young girl named Kafuka. He tries to escape from her, but learns she is his student.
A new student, foreigner Kaere Kimura, arrives in class and immediately starts harassing Nozomu. Meanwhile, Miss Arai discovers an illegal immigrant, Maria Taro Sekiutsu.
Nozomu tries to judge the social worth of his students, but ends up going on a wasteful binge before another suicide attempt. Later, he visits a hot spring and discovers it can make the girls normal.
Nozomu instructs his students to find mistakes in their lives, but Kafuka points out that some mistakes made were correct. He later meets his nephew Majiru.
The girls watch a bad film, and discover the director avoiding responsibility. Later, Nozomu tries hibernation but it goes wrong and he ends up getting hit by a tram.
