In order to support my pregnant wife, my mother-in-law, Sayuri, came to Tokyo from my wife's parents' home. I was in a cold war with my girlfriend's wife, and I was prohibited from drinking alcohol or masturbating, so I remained sane even though I was confused by Sayuri's seductiveness. Then, one night, when I confessed my troubles in my work and private life to Sayuri-san, she gently stroked my head and spoiled me. It didn't stop there, and she reached out her hand to my crotch, which looked like it was about to burst, and said she was sorry for putting me through so much trouble because of her daughter...