Since his wife, who has an M disposition, was stolen and eloped with, a man who has been plotting an unreasonable "revenge" against a happy married woman... The SM trainer who is obsessed with revenge, known as "Dark Man." He rents out his home to young couples at a low cost, awakens his wife's M, and steals her away... The training pro "Dark Man" who has already awakened M in 16 married women. Who is his new prey?
