``My son's wife is so erotic that I can't bear it!'' [Father-in-law's story] A young couple lives in a two-family house under one roof with the husband's parents. - The son and his wife have sex every night. - My father-in-law is troubled by the vibrations and voices coming from it. - In order to find out the cause of the noise, the wife and father-in-law, who plays the role of the son, recreate the scene with air sex. - My son's wife also wets her crotch due to her father-in-law's skillful use of her hips... - . - .