Incest Takashi is sorry for being a perverted mother...

Chiaki has raised her only son, Takashi, on her own. Sometimes kind, sometimes strict, Chiaki treated Takashi as a noble "mother," and Takashi also respected Chiaki. However, the relationship between mother and child will end up falling apart. "Mom, I have a girlfriend," a few days after Takashi's statement, Chiaki witnesses Takashi and her boyfriend having sex at home. Seeing her son's penis and her lover's vagina rubbing against each other, the "woman" inside Chiaki awakens...