Their father-in-law and daughter-in-law work together to strengthen vaginal pressure training open the door to an affair in a quagmire!Her husband always ends up breaking... her wife, Yuina, approaches her father-in-law to consult with her father-in-law, saying that she has a physical problem.Her stepfather, who wants to see her grandson's face, responds with kindness and checks Yuina's vagina and proposes training to further improve vaginal pressure.This quickly strengthens Yuina's 'tightness', making her husband ejaculate instantly!Yuina, who is no longer satisfied with her husband, ends up seeking her father-in-law...#Chapter P
