Incest sweat: "A hot body, a sweaty uterus, a parent-child instinct that cannot be held back"

With her mother Hikaru starting a marathon, Jun has lost control of the emotions he's been hiding. Hikaru stretches and muscle training in front of her eyes, was so erotic and sensual that it stirred up Jun's heart. I can't forgive my mother for being aroused...I knew it, but I couldn't stop feeling. A spurt of sweat that adds a touch of glow to the skin, the hair that sticks to the skin, and the faint scent of females. When Jun's rationality was exposed to the pheromones contained in Hikaru's sweat, he made a sound and collapsed...