Kana, my mother-in-law, came to Tokyo two weeks ago to help care for my pregnant wife. I expected her help around the house to improve my wife’s mood, but my wife only became harsher and even flew into a rage when she caught me masturbating, banning me from touching myself. Days later, I was still consumed by lust when Kana, who had overheard our argument, offered to satisfy me instead. Telling myself it would happen only once, I reached for her...