GS-1943: 実録・近親相姦［特別番外篇］～実録・近親相姦［二十八］再婚を控えた母と一人息子の禁断の行為編・その後～

True Record, Incest [Special Extra Edition] ~ True Record, Incest [28] Forbidden Acts of a Mother and Her Only Son Who Are About to Remarry, After ~