ALDN-326 - This female male lewd beast, Kobayakawa Reiko

The father-in-law was troubled... wondering why he couldn't have a precious heir... One day, he accidentally witnesses his son and daughter-in-law having sex and the father-in-law becomes convinced. That's right... his son lacks the ability as a 'male'... The father-in-law decides to inseminate in place of his son. Initially, Reiko desperately resists with reason, but... Eventually, her instincts awaken, and Reiko becomes 'female' in front of her father-in-law. However, her husband witnesses this. What action does the enraged husband take? An abnormal love story where a family, broken by common sense, is strongly bound by the bond of 'female' and 'male'. What will be the outcome this time...?