I've been in a casual sex relationship with my son's friend for five years. Playing with passion with a boy younger than me… I'm addicted to penetration sex. Yuka Oshima JUQ-978

I realized the sweet taste of infidelity five years ago. After my husband's affair was discovered, I was devastated, and my son's friend, Haicheng, stayed by my side. His passionate gaze and kisses captivated me, and on my son's graduation day, I crossed the line. We began a physical relationship, and as our meetings increased, my guilt gradually lessened, and our interactions became increasingly passionate. Before I knew it, we had been together for over five years, and now it was my son's second graduation ceremony…