
At first, I just happened to peek… but the soft breasts, peach-like buttocks, and tight waist of my younger sister Hime, who had fully matured during her teenage years, made me feel tingling all over my body. Before I realized it, I was already hard. I became so obsessed with secretly watching her in the bathtub that I thought I couldn’t stop. One day, our eyes met… ‘I know you’ve been watching me all along, brother,’ she said with a hint of malice, which only fueled my sexual desire. I was excited by her wet hair, the faint scent of shampoo, and her sweaty skin in the summer heat! Despite the guilty feelings, I started licking all over her enticing body that I had been secretly watching, and we gazed at each other intently as if devouring one another… Our bodies fit together so well that when Hime let me peek into the bathtub, it became a signal of forbidden sex…