My mother-in-law, Mariko, came to Tokyo from her parents' home to take care of my pregnant wife. My relationship with my wife was good... but things got strained when I made advances on her during her pregnancy, and she even ordered me to abstain from sex. One day, feeling sorry for me and feeling depressed from abstinence, Mariko gave me a massage, but I couldn't resist her defenseless chest and got an erection. Noticing this, Mariko made a seductive suggestion, "Shall I massage you here too?"...