Yurie, who lost her husband at an early age, lives with her son Masaki. He is a proud son who excels at both academics and sports, is obedient and easy to take care of, but the more he grows up, the more he resembles her late husband... And then she finally sees a huge dick that looks just like him... Yurie is no longer satisfied with just peeking, so she stuffs her sleeping son's penis into her mouth and enjoys the nostalgic taste. However, this leads the son who loves his mother to even greater depths. Recorded in digital mosaic.