My cousin Yuuka came to stay over after a long time. Yuuka, whom I hadn't seen in years, had grown into a seductive, mature woman. The next morning, when my brother left for work and it was just Yuuka and me alone, her behavior became a bit strange. She kept saying she had wanted to see her big brother and pressed her body close to mine, then asked me to warm her feet because she had cold feet and put them on my lap, and even kicked me playfully. As I tried to maintain my composure, Yuuka...
