Sumika, a mother who worries about her son, who has been confined to his room for some time. A son who doesn't even try to persuade his homeroom teacher. Such a son was a son and continued to be plagued by dreams of kissing his mother every day. While the teacher is troubled by the students who keep themselves inside, he becomes captivated by Sumika as he visits the Hatori family many times. One day, my son, who was opening his heart to such adults, threw out all his thoughts to his mother! !