Mother-in-law incest: Devilish son plays with beautiful mother

Marika married Koichi, the president of the company. However, Kouichi had a son, Akira, who was around his age. When Koichi, who was busy with work and had to travel a lot, went on a business trip overseas, Akira accused Marika of ``You got married for wealth, right?'' and forced her to have sex with him. Then, he played with her sexy body like a toy...