Dark Man YAMIO The man who awakened 15 married women to masochist

"Dark Man" is a vengeful SM trainer who is burning with revenge and eloped after his masochistic wife was cheated on by a man, and has hid in his rented home and carried out an incomprehensible revenge on a happy married woman. He teams up with his brother-in-law who runs a real estate agent and makes a young couple live in their home at a low price and trains them without telling their husbands. The "Dark Man" has awakened 15 married women to masochists. What is his new prey?