"Big brother~, it's morning. Wake up!" Today, my little sister in her school uniform invades my futon unguarded. She starts playing with my nipples, then her arms reach down to my lower body. The soles of her feet, wrapped in thigh-high socks, stimulate my chest, and the sensation of her tongue through my underwear... From that day on, our relationship changed. Her chest is about to burst out of her sailor uniform. Underneath her panties are pubic hairs just beginning to grow. Under the same roof, sometimes at a hotel. Days of non-stop sex began...
