Yuri came to check on her son, who had come to Tokyo to get a job. - The joy of being relied upon by her son eventually turns into love between a man and a woman, crossing the line between parent and child. - A mistake caused by a moment's hesitation. - Yuri, who has had an unacceptable relationship, is worried. - "I know this isn't right. But... I want to touch him again..." With my love for my son growing stronger and deeper the more I leave him, I'm going to see him again this month...