Chapter 59

"Mom, it hurts a little... oh..." After Kexin had been diligently masturbating Sijian for a while, he suddenly lifted his head from under the covers and spoke to her softly. Kexin was also taken aback, and her hands stopped their stroking motion on Sijian's penis. It turned out that while Kexin had been stroking Sijian's penis, initially, some sticky fluid secreted from the urethral opening had provided lubrication, making the sensation quite pleasurable for Sijian. However, as time passed, with his glans and shaft exposed to the air, the fluid was continually spread and rubbed by the foreskin, accelerating its evaporation. The secretion couldn't keep up with the loss, gradually leaving Sijian's penis feeling dry. This is a sensation men often experience during masturbation; if the penis becomes too dry, the friction can cause pain. The sticky fluid acts like lubricant—without it, the friction increases significantly.…