MIMU-017 "Congratulations on the birth" my wife's sister came to our house, and her unguarded panty shot made me involuntarily hard! Unable to have sex with my wife who lost her libido at the same time as giving birth, my erect dick was gently soothed by

My wife said 'pregnant'... and then the other day, she finally gave birth to our long-awaited first child. Such is my household, when my wife's sister came to celebrate the birth of the baby. However, her unguarded 'panties flash' and 'cleavage' were too stimulating for me, who hadn't had sex with my wife in over a year and a half, causing an involuntary erection! My sisters-in-law noticed my about-to-explode dick and gently soothed it... Sex marathon with the beautiful sister-in-law who doesn't resemble my wife at all!!