Synopsis
From an original story by Hiro Miyagawa. The new school year begins and the students of class 4a, sect. A, they are happy to have Miss Kimura as their teacher again, but they are very surprised to learn that their teacher will have a baby for October. From this moment, through their teacher, the boys come into contact with the most important events of life and, through various experiences, they come to understand the true meaning of friendship and come closer to their parents. Above all they have learned some of the important things in life as they approach the still unknown world of adults.