Series complete! Lesson of life that tears of pregnancy high school students ... Onizuka wants to convey most

Ayuna decides to have the baby, and Onizuka and Honami decide to support her. But Oomae says that if she has the baby it will damage the school's reputation, and threatens to expel her. Ayuna says that she will protect the life she's carrying to the end, and will quit school to raise the child. When Director Sakurai hears this she has an idea...