Never tell your wife that you got your mother-in-law pregnant. (Sumikawa Mika JUQ-785)

"Daichi, can we abstain from sex for a month before the trip?" I was confused by this sudden request from my mother-in-law. It was supposed to be a relaxing family trip to a hot spring, but I unexpectedly found myself being asked to have a baby with my wife. Although I abstained until the day of the trip, I still couldn't calm down… So, in an attempt to quell my uncontrollable desires, I went to the hot spring, only to unexpectedly enter the women's bath and witness my mother-in-law's glamorous bathing…