Saki and her son Koji have a bad relationship and often exchange insults. This day, after another argument, Saki decides to hurt him by saying things like 'unpopular' and 'inexperienced,' words that teenage boys hate to hear the most. Koji trembles in humiliation and vows to take revenge, determined to trample on Saki's pride. His method is to overpower her with brute force and dominate his own mother with his cock.
